The table lists the test scores William and Andre received on five math assessments.
William’s Scores Andre’s Scores
89
90
97
74
78
73
81
87
91
82
Which statement best describes the difference of the mean of the two data sets?
A.
It is equal to about 0.5 times the mean absolute deviation of either data set.
B.
It is equal to about 1 times the mean absolute deviation of either data set.
C.
It is equal to about 1.5 times the mean absolute deviation of either data set.
D.
It is equal to about 2 times the mean absolute deviation of either data set.
Answers
Answer:
B.) It is equal to about 1 times the mean absolute deviation of either data set.
Explanation:
Given the scores :
Williams :
89,97, 78, 81, 91
Andre :
90, 74, 73, 87, 82
The mean scores :
Mean = ΣX / n
William's mean score = 436 / 5 = 87.2
Mean absolute deviation :
[|89-87.2| + |97-87.2| + |78-87.2| +|81-87.2| + |91-87.2|] / 5
William's mean absolute deviation = 6.16
Andre's mean score = 406 / 5 = 81.2
Andre's mean absolute deviation =
[|90-81.2| + |74-81.2| + |73-81.2| +|87-81.2| + |82-81.2|] / 5 = 6.16
Difference of the mean = 87.2 - 81.2 = 6
Mean absolute deviation of each dataset = 6.16
The closest relationship between the mean difference and the mean absolute deviation is :
Mean difference is about 1 times the mean absolute deviation
Answer:
I hope this helps
Explanation:
Related Questions
The portion of a geologic material whose pore spaces are completely filled with groundwater is referred to as __________. Group of answer choices the phreatic zone the capillary fringe The aquiclude The vadose zone
Answers
Answer:
The phreatic zone
Explanation:
The phreatic zone is the zone is the part of an aquifer that is present below the water table, where all pores and cracks are saturated with water. The above layer of the water table is the vadose zone. The size, color, and depth of phreatic zone may change with changes of season as well as wet and dry periods. It is also called zone of saturation due to complete filling of pores.
You are body surfing in modest waves that are breaking just offshore. A particularly big one catches you off guard, flips you over and over, and deposits you on the shore. As you lie there in the sand, you think, hey, I just landed on ________.
A. coastal due
B. beachface
C. a nearshore bar (not the kind that serves drinks)
D. the backshore
Answers
Answer:
B a beachface
Explanation:
how will HIV & AIDS impact negatively to humans and the economy
Answers
Answer:
HIV/AIDS affects economic growth by reducing the availability of human capital. Without proper prevention, nutrition, health care and medicine that is available in developing countries, large numbers of people are falling victim to AIDS.
Question 2 of 10
What is the absolute location of Utah?
Indiana Ohio
Washington
New Hampshire
Maine
Montana
North
Minnesota
Vermont
Dakota
Massachusetts
Oregon
Rhode Island
South
Wisconsin
Idaho
New York
Dakota
40°N
Michigan
Wyoming
lowa
Connecticut
Pennsylvania
Nebraska
New Jersey
Nevada
West
Utah
inois
Delaware
Virginia
Colorado
Kansas
Maryland
Missouri
Virginia
Kentucky
California
North Carolina
Arkansas
Tennessee
Oklahoma
Arizona
South Carolina
New
Mississippi
35°N
Mexico
Alabama Georgia
Texas
Louisiana
Florida
Answers
Answer:
North |||||||||||||||{}
reasons why doctors are more important than farmers
Answers
Answer:
Doctors and farmers are equal in importance. Without food, you will undoubtedly die, yet you may be able to live a healthy life without ever visiting a doctor. In any case, a diet rich in nutritious veggies is beneficial.
what is the definition of hydrometer
Answers
Answer:
A hydrometer is a instrument used to determine specific gravity. It operates based on the Archimedes principle that a solid body displaces it's own weight within a liquid in which it floats. Hydrometers can be divided into two general classes: liquids heavier than water and liquids lighter than water
Which of the following is true about water availability?
a. Agriculture uses 40% of freshwater, industry uses 57% and households use 3%.
b. Agriculture uses 70% of freshwater, industry uses 19% and households use 11%.
c. Agriculture uses 75% of freshwater, industry uses 17% and households use 8%.
d. Agriculture uses 52% of freshwater, industry uses 27% and households use 21%.
Answers
Answer:
The answer D
Out of the total water resources available, the agricultural sector uses 52%; whereas the rest of the water is used by industries and households.
What are water resources?
The natural resources that provide water for consumption and other uses, are known as the water resources. For example, lakes, rivers, ponds, glaciers are some water resources.
Only 3% of the total water resources are fresh and suitable for human consumption. More than half of the total freshwater is used for agricultural activities, and about a quarter each by the industries and the households.
Hence, option D holds true of the consumption of the available water resources.
Learn more about water resources here:
https://brainly.com/question/27327901
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Regional Geography lays emphasis on the distinctiveness of a particular place an the characteristics or activities that make up the that location. With specific examples from Ghana and knowledge acquired im the regional Geography of Ghana course so far, discuss the above sentence
Answers
Answer:
Place has a prime importance in distribution of economic activates.
Explanation:
Regional geography is a part of geography that studies various regions and studies the specific unique characters of the place. It is related to the topography and economy of the place. A place such as Ghana is located on the African western coast. Located in the gulf of guinea this country lies near the equator and thus has a warm climate. Due to its location, the prime meridian passes through the country. Ghana is rich in natural resources and has a mixed economy with rapid population growth. Petroleum accounts for a large share of exports.¿Qué pasaría si los fenómenos naturales, como las lluvias, por ejemplo, se intensificaran o, por el contrario, dejaran de producirse?
Answers
Fenómenos naturales es a veces una tragedia, pero a veces para ayudar a nuestro planeta. Lluvia, nieve y granizo se encuentran entre algunos de ellos. Los tres fenómenos producen agua y puede ser grave, pero por eso siempre debemos ser prudentes. El calentamiento global está aumentando y está consumiendo el hábito natural de la Antártida. Esto también provoca poner en peligro a la criatura.
¡Espero haberte ayudado!
Si la lluvia se intensifica puede tener efectos positivos como el riego de zonas de cultivo, y efectos negativos como las crecientes de los ríos que desencadenan desastres naturales. También su ausencia puede causar efectos negativos como escasez de agua.
Fenómeno natural es un concepto que se refiere a distintas manifestaciones de la naturaleza que se caracterizan por no ser provocadas por acción humana tales como:
HuracánLluviaRadiación Solar.Formación de montañas.Erupción de un volcán.El viento.Los truenos.Sismos y terremotos.Los fenómenos naturales pueden tener efectos negativos, positivos y neutros sobre las comunidades humanas. Por lo anterior, si las lluvias se intensifican podrían causar efectos positivos como riego de zonas de cultivo. No obstante, también puede tener efectos negativos como crecientes de ríos que desencadenen desastres naturales.
Por otra parte, la ausencia de lluvia puede causar efectos negativos dado que limitaría el acceso al recurso del agua, lo que podría afectar la vida vegetal y animal.
Learn more in: https://brainly.com/question/18263059
Which of the following does NOT negatively affect groundwater? Development has caused rainwater to drain into sewers instead of into aquifers. Runoff from household and agricultural chemicals filters into groundwater. Increased water consumption by humans depletes aquifers. Humans are utilizing groundwater to generate electricity.
Answers
Answer:
Humans using water to generate electricity does not negatively affect groundwater.
Explanation:
Rainwater, which is mostly fresh, drains into sewers most of the time of course. They are abundant in many towns, cities, etc. As a result, rainwater is not utilized enough, as it goes to waste when blending in with dirty sewer water. This leads to rainwater not draining into aquifers, And with the worlds population increased rapidly by the minute, consumption increases, leading to the water contained within aquifers to decrease in amount. Runoff from things such as pesticides and fertilizers is also a major issue that harms groundwater. As rain approaches, these chemicals can seep through dirt and soil, eventually going as far as to reach the groundwater underneath the surface, contaminating it. And humans utilizing water to generate electricity is more of a benefit to the environment. It is another effective way to get power, and is an alternative to fossil fuels. And using groundwater as a power source does not really affect the groundwater itself, so this is why the last option is correct.
The particular name of an igneous rocks consisting of minerals is best determined using the chart in the lab book and noting:____.
(a) the presence of quartz and one other mineral.
(b) the presence of vesicles (gas pockets) in proportion with the presence of the mineral quartz.
(c) the relative color (light, intermediate, or dark) and the relative size of the minerals (phaneritic/aphanitic).
(d) whether the minerals present are metallic or non-metallic and then determining the streak on each mineral present.
Answers
Answer:
C, the relative color
Explanation:
Color indicates the composition of a rock or mineral. A felsic composition is indicated by light colors such as white or pink. Intermediate rocks or minerals have a medium color such as gray or an equal part of dark and light colored minerals . Mafic or ultramafic rocks or minerals are dark colored such as black or brown however they might also contain light colored minerals within them.
Answer:
C, the relative color
Explanation:
Color indicates the composition of a rock or mineral. A felsic composition is indicated by light colors such as white or pink. Intermediate rocks or minerals have a medium color such as gray or an equal part of dark and light colored minerals . Mafic or ultramafic rocks or minerals are dark colored such as black or brown however they might also contain light colored minerals within them.
Kojo moves from his home in Africa to work in London, England. Which of the
following best describes Kojo?
A. Tourist
B. Dissident
C. Transient
D. Immigrant
Answers
Answer:
Kojo is an immigrant because he left his home and moves to another country.
Environmental science is the study of:
environment science is the study of?
Answers
Answer:
environment science is an interdisciplinary academic field that draws on ecology, geology, meteorology, biology, chemistry, engineering, and physics to study environmental problems and human impacts on the environment.
give me brainliest please :)
Choose the correct explanation why the following statement makes sense (or is clearly true) or does not make sense (or is clearly false):
Gravitational waves are best observed with the Hubble Space Telescope.
Choose the correct explanation why the following statement makes sense (or is clearly true) or does not make sense (or is clearly false):
Gravitational waves are best observed with the Hubble Space Telescope.
a. This statement does not make sense. We do not have technologies for direct observations of gravitational waves.
b. This statement is clearly true. The HST firstly observed the gravitational waves from the merge of two black holes in 2015.
c. This statement does make sense. As a space telescope, the HST can be used as an interferometer with a very long base and can detect tiny distortions of space.
d. This statement is clearly false. The HST observes visible and infrared light, not gravitational waves.
Answers
Answer: This statement is clearly false. The HST observes visible and infrared light, not gravitational waves.
Explanation:
Gravitational waves refers to ripples in spacetime. The statement that gravitational waves are best observed with the Hubble Space Telescope is false.
This is because the Hubble Space Telescope is used in observing visible and infrared light, not gravitational waves. The telescope has helped scientists to understand how the planets are formed.
Việt Nam có những tiềm năng gì về tài nguyên du lịch cho phát triển du lịch quốc gia (national tourism)trong điều kiện hiện nay (2021)?
Answers
Answer:
ok brothersaya pon taktau
Imagine that you are standing on a beach but cannot swim. Your friend encourages you to walk into the surf zone created by incoming deep water waves that a wavelength of 30 meters. Would it be safe to walk out to where the waves are breaking?
Answers
Answer:
Explanation:
The water depth in the surf zone is between 5 to 10 meters deep and with a wavelength of 30 meters, the speed of the wave is considerably fast such that control for safety may be difficult
Also the speed of the wave is directly related to the depth of the water which means that where the wave described above is fast as well as the rip current, also the water depth is expected to be considerable for a non swimmer
It is best to seek for sign post regarding safe areas and do not go into the water where there are no lifeguards or marked safe zones.
How does the formation of sea ice impact the density of the surrounding seawater?
A. The formation of sea ice removes freshwater, leaving dissolved solids behind and increasing the density of seawater.
B. The formation of sea ice removes freshwater, leaving dissolved solids behind and decreasing the density of seawater.
C. The formation of sea ice removes freshwater and dissolved solids from seawater, leading to a decrease in density.
D. The formation of sea ice removes freshwater and dissolved solids from seawater, leading to an increase in density
Answers
Answer:
C
Explanation:
Answer:
C
Explanation:
Name two forms of energy usually used at homes?
Answers
Answer:
electricity and gas
Explanation:
Select the example that describes an environmental cause of famine.
a. A country's population continues to increase but incomes decrease steadily.
b. Local farmers lack the technical expertise to develop new cultivation strategies.
c. An area is flooded after heavy rains and all the crops are lost.
d. A corrupt government is overthrown and the country descends into violence.
Answers
Answer:
c. An area is flooded after heavy rains and all the crops are lost.
Explanation:
The cause of famine is due to a flood in this case meaning that an environmental disaster caused starvation and lack of food.
State five factors that influence soil formation
Answers
Explanation:
scientist attributes or formation to the following factors : parent material, climate , biota (organisms) topography and time
đặc điểm sông ngòi lục địa Phi
Answers
The map shows the locations of 13 major river basins in Africa: the Senegal, Volta, Niger, Lake Chad, Nile, Lake Turkana, Juba Shibeli, Ogooue, Congo, Zambezi, Okavango, Limpopo and Orange river basins. This spectacular Southern African waterfall, considered to be among the greatest in the world, is located along the Zambezi River and straddles the border between Zambia and Zimbabwe. The awe-inspiring nature of the waterfall is in part due to its enormous width—more than 5,500 feet (1,700 meters). The waters plunge as far as some 355 feet (108 meters) down and drop not into an open basin but into a dramatic-looking chasm. Victoria Falls is known for its veil of mist visible from miles away; the name given to the falls by an indigenous group is Mosi-oa-Tunya (“The Smoke That Thunders”). Victoria Falls and the adjoining areas were collectively designated a World Heritage site in 1989.
Thanks , Please mark me brainliest
TyrantMC
True or false: f(x)= and y= means the same thing.
Answers
Answer:
i don't think they do so false but i could be wrong
Explanation:
What role has the Supreme Court played in expanding rights for LGBT
Americans in the 21st century?
© A. The Supreme Court has ruled that churches must recognize same-
sex marriage.
B. The Supreme Court has struck down state and federal laws
banning same-sex marriage.
O C. The Supreme Court has ruled that a transgender woman must be
employed as a cabinet adviser.
D. The Supreme Court has determined that gay pride parades must
be held in all major cities.
Answers
Answer:
The correct answer is B.
In 2015, the Supreme Court struck down state and federal laws banning same-sex marriage.
Let me know if this helps!
Answer:
b
Explanation:
10. Countries lacking natural resources, human resources, and capital resources would likely ____.
A)participate in a large number of international trading networks
B) develop a variety of commercial Industries
C) be poor and underdeveloped
D)rely on geothermal power
Answers
Answer:
c- be poor and underdeveloped
Explanation:
They don't have enough resources to make good money.
write a note on alternative energy resourse
Answers
Answer:
Alternative Energy refers to energy sources other than fossil fuels. This includes all renewable sources and nuclear. Nuclear is not classified as a renewable energy source. A renewable energy source is produced from sources that do not deplete or can be replenished within a human’s lifetime. Nuclear is produced from mined elements like uranium and thorium which cannot be replenished.
I Hope this will help you if not then Sorry, have a great day :)Which of the following are typical weather patterns in North Carolina? Check all that apply
year-round precipitation in the form of rain
large amounts of winter precipitation in the form of snow
mild temperatures throughout the winter months
warm temperatures in the summer and fall
extremely dry, hot summers
Answers
Answer:
year-round precipitation in the form of rain
Explanation:
the average annual precipitation is 45" (1143mm) in North Carolina and occurs throughout the year.
whats is the advantages of sedimentary rocks
Answers
Answer:
They are important for: Earth history. Sedimentary rocks contain features that allow us to interpret ancient depositional environments, including the evolution of organisms and the environments they lived in, how climate has changed throughout Earth history, where and when faults were active, etc. Economic resources..
Dân cư châu Âu thuộc chủng tộc: *
Nê-grô-ít.
Ơ-rô-pê-ô-ít.
Môn-gô-lô-ít.
Ôt-xtra-lô-ít.
Answers
Dân cư châu Âu thuộc chủng tộc : Ơ-rô-pê-ô-ít
Geomagnetic reversals __________. Group of answer choices Provide strong evidence for sea floor spreading Reveal that polar wandering may have occurred. Were discovered by the Deep Sea Drilling Project Confirmed the existence of subduction zones Cause the movement of plates
Answers
Answer:
The answer is "Provide strong evidence for seafloor spreading".
Explanation:
The magnetic changes from east to west and vice versa are geomagnetic. geomagnetic reversals. And they can provide significant evidence of the expansion of sea bed in the rocks formed along the middle sea ridges by documenting the geomagnetic pattern of echo.
A new crust is developing from the magma explosion into the seafloor in the ocean along the mid-oceanic ridges along the mid-ocean ridges. When the magma cools, the minerals of ferromagnetism found in the magma will align as per the magnetosphere of this time.
In the event of geomagnetical revolutions, newly formed minerals will be reverse-aligned to early elements, thus registering the lithosphere on both sides of the mid-oceanic ridge. Lithosphere, one could argue, is a continual move away from oceanic crusts midway through.
What is criptogramy?
Answers
Answer:
Cryptography is a method of protecting information and communications through the use of codes, so that only those for whom the information is intended can read and process it.
Explanation:
