# The standard deviation of given population is 4.5 with a mean of 60 and the refit population has a standard deviation of 5.2 with a mean of 75. Calculate the coefficient of variation for both populations and comment on the

15,651 questions, page 72
1. ## Geography

What does Mississippi rank in size and population? Please help! Thank you.

asked by Tina on February 22, 2010
2. ## Social studies

Why would the Chinese want to limit population growth?

asked by Jess on March 25, 2012
3. ## social studies

what wiped out most of the indigenous population of australia

asked by Chloe on April 8, 2013
4. ## Biology

Which is the highest? Ecosystem population community

asked by Anonymous on April 3, 2014
5. ## statistics

construct the confidence interval for the population mean c=0.98,x=5.6, s=0.6, and n=45

asked by Dennis on October 11, 2011
6. ## statistics

A population of N=8 scores has a mean of µ = 20. If one score is changed from X=14 to X=50, what will be the value for the new mean?

asked by laur on September 2, 2010
7. ## geo

what is china's population density patterns ?

asked by anna on February 13, 2010
8. ## social studies

what was the population of the united states in 1812

asked by Tina on April 22, 2010
9. ## World Geography

What biomes have the highest population density?

asked by Linda on November 28, 2011
10. ## math

a sample that is not representative of the entire population

asked by taylor on March 8, 2010
11. ## Math

What SAT score do you need to be in the top 20% of the population?

asked by Leo on February 19, 2011
12. ## Math

A population of 41,250 increases each year by 2%

asked by Lee on September 23, 2016
13. ## Biology

What is the significance of measuring population density?

asked by Anonymous on March 29, 2010
14. ## statistics

A population of N=8 scores has a mean of µ = 20. If one score is changed from X=14 to X=50, what will be the value for the new mean?

asked by laur on September 2, 2010
15. ## math

what was the population of the world in 1500 in billions if it is 0.5

asked by precious on May 10, 2010
16. ## social studies

How fast is the worlds population growing?

asked by sadaf on December 14, 2009
17. ## 6th grade

What is the current world population of clownfish?

asked by Chloe on February 14, 2009
18. ## college

why is the population shape a concern when estimating a mean

asked by Wanda on May 27, 2010
19. ## Geography

Is there a website of a population map for 2014?

asked by Kyralle on August 27, 2014
20. ## Geography

What are the factors that influence population growth?

asked by Shavaleir on September 29, 2009
21. ## 8th grade

A population histogram that looks like a trangle means

asked by Anonymous on November 1, 2010
22. ## economics

List the three types of population (graphically)

asked by kemi on December 31, 2014
23. ## Biology of environment

What does dynamic equlibrium population growth mean?

asked by Mohammad on October 12, 2013
24. ## Sci

What are the four factors that produce changes in population size?

asked by Anonymous Chaney on January 23, 2008
25. ## goverment

Why did some people want representation to be based on population?

asked by jimm on March 26, 2015
26. ## Algebra

Which set of population data is the least dispersed from its mean? 2, 3, 2, 9 4, 0, 4, 0 6, 2, 2, 2 9, 3, 5, 3

asked by Junior on July 19, 2014
27. ## US History

as population increases the borders of Boston?

asked by Rosa on March 11, 2014
28. ## Math

What does it mean when it says: Which state has the largest population growth

asked by Celest on March 18, 2013
29. ## Demography

What is the current total world population??

asked by Winniefred on March 20, 2016
30. ## Statistics of Psychology

A population of N=6 scores ha EX=12 and Ex squared=54. What is the value of SS for this popluation

asked by Catherine on October 28, 2017
31. ## Geography

Why would countries be concerned with their population decreasing?

asked by Geo on November 4, 2015
32. ## Question

What is the population density in miami florida?

asked by Queen on April 10, 2016
33. ## Statistics

Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking¡ªeven if they are not exposed to the usual pattern

asked by student on November 20, 2010
34. ## Statistics

Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking¡ªeven if they are not exposed to the usual pattern

asked by student on November 20, 2010
35. ## business

For this assignment you are to imagine that you are part of a select marketing group. This select group has been asked to consider the Colorado City Convention and Visitors Bureau survey of 25 hotels in the local area. The survey is concerned with the

asked by ron on August 2, 2010
36. ## science

Ok listed below is the question. I have chosen to use incarcerated women with a mental illness: nature vs. nurture. Population will be women who have been incarcerated and diagnosed with a mental illness between the ages of 18 and 50. I am having trouble

asked by Jennifer on January 18, 2012
37. ## math

the fabric mart had cost of goods sold at \$844,000 for the year.the beginning inventory at cost was \$305,500, and the ending inventory at cost amounted to \$414,200. the inventory turn-over rate published as the industry standard for a business of this size

asked by teresa on May 8, 2014
38. ## Chem

Which of the following are correct statements? (Could be as many as 4) 1. One mole of gas contains 22.4 representative particles 2. Standard pressure is 100 mm Hg 3. One mole of a gas must have the same volume as one mole of any other gas at STP 4. Gas

asked by will.i.am on April 10, 2013
39. ## English

Would someone look over my paragraph and let me know if and where I need to make improvements In Garrett Hardin's "Lifeboat Ethics", the paragraph that touched me the most is "Overloading The Environment". Hardin talks about India and how the population is

asked by Kayla on October 9, 2010
40. ## help scott biostats

The proportion of deaths due to lung cancer in males ages 15-64 in England and Wales during the period 1970-1972 was 12%. Suppose that of 20 deaths that occur among male workers in this age group who have worked for at least 1 year in a chemical plant, 5

asked by maria on August 16, 2017
41. ## help scott biostatis

The proportion of deaths due to lung cancer in males ages 15-64 in England and Wales during the period 1970-1972 was 12%. Suppose that of 20 deaths that occur among male workers in this age group who have worked for at least 1 year in a chemical plant, 5

asked by maria on August 14, 2017
42. ## Accounts

A company produces just one standard product. The company's budgeted overheads for the next financial year are £80000. Other relevant information includes: Budgeted Production: 16000 units Cost of Raw Material per unit: £4 Cost of Direct Labour per unit:

asked by Claire on January 8, 2009
43. ## math

a 15 foot long standard weight pipe with a diameter of 4 inches is filled with water. what would be the total approximate weight of the pipe and the water it contains? If I recall my non-metric units, 1 cubic foot of water weighs about 62.4 pounds. the

asked by Damon on August 9, 2007
44. ## trig

when a vehicle is manufactured,its wheels are calibrated to rotate a specific number of times for given speeds with "standard" tires. Suppose a small pickup has standard tires with a radius of 14 inches. You decide to replace those tires with ones which

asked by Amanda on November 12, 2009
45. ## ethics

Simone de Beauvoir warns against “ethical recipes,” suggesting instead that life and ethics are both inherently ambiguous. Choose one of the ethical “recipes” or “methods” offered by Manning, Kant, Mill. What ambiguities remain even after the

asked by Mary on May 15, 2013
46. ## Philosophy HEELLLPPP!!

Simone de Beauvoir warns against “ethical recipes,” suggesting instead that life and ethics are both inherently ambiguous. Choose one of the ethical “recipes” or “methods” offered by Manning, Kant, Mill. What ambiguities remain even after the

asked by Mary on May 14, 2013
47. ## chemistry

In the fifth reaction of Glycolosis, G3P dehydrogenase converts glyceraldehydes-3-phosphate into glycerate-1,3-bisphosphate. In order to make the reaction spontaneous at biological conditions it must be coupled to the reduction of NAD+. a) DG° for the

asked by kat on February 11, 2009
48. ## math

A manufacturer produces three types of radios: deluxe, standard and economy. Each radio uses three different types of transistors: P, Q and R. The deluxe radio uses 2 P's, 7 Q's and 1 R. The standard contains 2 P's, 3 Q's and 1 R, and the economy model

asked by kim on July 11, 2011
49. ## MATH- please help!

A manufacturer produces three types of radios: deluxe, standard and economy. Each radio uses three different types of transistors: P, Q and R. The deluxe radio uses 2 P's, 7 Q's and 1 R. The standard contains 2 P's, 3 Q's and 1 R, and the economy model

asked by kIM on July 11, 2011
50. ## MATH

A manufacturer produces three types of radios: deluxe, standard and economy. Each radio uses three different types of transistors: P, Q and R. The deluxe radio uses 2 P's, 7 Q's and 1 R. The standard contains 2 P's, 3 Q's and 1 R, and the economy model

asked by kIM on July 10, 2011
51. ## System of Linear Equations

A manufacturer produces three types of radios: deluxe, standard and economy. Each radio uses three different types of transistors: P, Q and R. The deluxe radio uses 2 P's, 7 Q's and 1 R. The standard contains 2 P's, 3 Q's and 1 R, and the economy model

asked by neeha on July 8, 2011
52. ## Stats Anyone?

The first-year retention rate is the percentage of entering freshman at a given college who return to that same college for their sophomore year. Many colleges use the first-year retention rate as one measure of their quality. Suppose that the first-year

asked by CM on October 28, 2009
53. ## Economics (36)

For borrowers with good credit scores, the mean debt for revolving and installment accounts is \$15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is \$3,730 and that debt amounts are normally distributed. a. What is the probability that

asked by Mia on May 9, 2014
54. ## Economics (36)

For borrowers with good credit scores, the mean debt for revolving and installment accounts is \$15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is \$3,730 and that debt amounts are normally distributed. a. What is the probability that

asked by Mia on May 11, 2014
55. ## Statistics (36)

For borrowers with good credit scores, the mean debt for revolving and installment accounts is \$15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is \$3,730 and that debt amounts are normally distributed. a. What is the probability that

asked by Mia on May 6, 2014
56. ## math

The Hamilton/Vinton Method The Hamilton/Vinton Method sets the divisor as the proportion of the total population per house seat. After each state's population is divided by the divisor, the whole number of the quotient is kept and the fraction dropped.

asked by christopher on February 10, 2016
57. ## Calculus

In this exercise, we estimate the rate at which the total personal income is rising in a metropolitan area. In 1999, the population of this area was 942,200, and the population was increasing at roughly 9100 people per year. The average annual income was

asked by Nyke on November 1, 2011
58. ## math

Please explain in detail on how to solve: In 2000, the U.S. government owed about \$4.63 trillion to its creditors. The population of the US was282.4 million people. How much did the government owe per person in 2000? Round to the nearest dollar. In 2005,

asked by Jane on January 5, 2012
59. ## chemistry

2.9 The standard enthalpy of formation of the metallocene bis(benzene)chromium was measured in a calorimeter. It was found for the reaction Cr(C6H6)2(s) → Cr(s) + 2 C6H6(g) that . Find the corresponding reaction enthalpy and estimate the standard

asked by girlgirl on June 18, 2011
60. ## Hard Math :(

2. What answer represents this number in scientific notation? 0.00000916 a. 916 x 10^-8 b. 9.16 x 10^-6 c. 916 x 10^8 d. 9.16 x 10^6 3. What is this number in standard form? 6.8 x 10^-4 a. 5,750,000,000 b. 575,000,000,000 c. 0.00000000575 d. 0.575000000000

asked by Dude on September 10, 2012
61. ## statistics

A survey of college students was conducted during final exam week to assess the number of cups of coffee consumed each day. The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. a. What proportion of students

asked by Scott on October 20, 2011
62. ## Stats

A test of hypothesis is performed to determine whether the proportion of Montrealers (population 1) who want the decriminalization of marijuana is greater than the proportion of Torontonians (population 2) who want decriminalization of marijuana. A random

asked by Emile on November 17, 2013
63. ## Hypothesis Test

A test of hypothesis is performed to determine whether the proportion of Montrealers (population 1) who want the decriminalization of marijuana is greater than the proportion of Torontonians (population 2) who want decriminalization of marijuana. A random

asked by Simon on November 16, 2013
64. ## Pre-Calc (Follow-up with Bob Pursley)

For the below problem, I solved it as you suggested and got k=.0486 When I did 300,000 = 122,000e^.0486t I got about 18.5 years for when the sewer system would need to be updated. Next, for how many people will the new system have to accommodate for the

asked by maddy on January 10, 2010
65. ## algebra

Could you please help me?? point-slope form linear equation y-3 = 3(x+1) what is the equation in standard form of a perpendicular line that passes through (5,1). i think you take 1/3 as slope, reciprocal, I am confused about how to proceed. I know you put

asked by ann on January 12, 2012
66. ## Physics

I have to write questions for our California Standards for Physics, like we're making our own 50-question test. Standard 1a: Students know how to solve problems that involve constant speed and average speed. Two questions: do you think this standard needs

asked by Emily on April 15, 2008
67. ## ap chemistry

I have a lot of questions actually. it's electrochemistry (which is obviously a bunch of fun) 2 electrodes Cr(s)/Cr3+ and Sn(s)/Sn2+ are combined to afford a spontaneous electrochemical reaction. the standard reduction potention in V for Cr3+ and Sn2+ are

asked by raaawr on May 4, 2009
68. ## Genetics

β-thalassemia is a human genetic disease that is inherited in an autosomal recessive manner. Individuals with β-thalassemia produce abnormal hemoglobin which results in a reduced ability to carry oxygen in their blood. The severity of symptoms depends on

asked by qwerty on March 27, 2013
69. ## math

find the sum of 2 1/2 and 2/5 which of the following makes the statement true? 1/5^0 the area of a certain state is 840,000 square miles. what is this area in scientific notation? which is irrational? A. 0.11711711711... B. o.8596873205... C.

asked by Bry on October 7, 2014
70. ## Math

My son is having a math test tomorrow I am unable to tell properly. Thank u so much for u r help ~Be able to identify and draw the following: triangles, rectangles, squares, trapezoids, pentagons, hexagons, and cubes. ~Tell how many sides and angles the

asked by AAR on February 10, 2014
71. ## algebra

what is the difference between the mean absolute deviation of the following numbers students 1=77,80,100,75,82 student 2= 88,80,79,85,90

asked by Annie on May 5, 2019
72. ## Statistics

What is the stardard deviation using the rull of thumb for each set of numbers: 57,61,57,57,58,57,61 61,52,69,64,46,554,47

asked by Jay on July 25, 2010
73. ## Math, algebra

Construct a data set of 8 items that has a mean absolute deviation of 0.5 and for which average 8

asked by Kristen on November 10, 2017
74. ## math

I don't use this website to cheat but can someone tell me how to find the MAD (mean absolute deviation)

asked by S0me0ne0nThis on May 6, 2019
75. ## statistics

What is the probability that 10 of 100 apples will be < 130 g? mean=173 std deviation=34?

asked by Liz on April 23, 2013
76. ## chemistry

how do I get the percent deviation of a value? I got he answer already thanks any way:) What is the highest fluride of Uuh? answered above.

asked by claudia on February 4, 2007
77. ## stats-please help

MEAN=10 & STD DEVIATION=2. FIND THE PROBABILITIES: 9.4 less than X less than 10.6? i have 2 different answers but am checking the answer. thank you

asked by jean on March 8, 2011
78. ## statistics

A random sample of the houses in a particular city is selected and the level of radon gas is measured for each house in the sample. The values collected are given below in parts per million (ppm). Experience has shown that radon gas level is approximately

asked by tea on March 26, 2012
79. ## math

2. What answer represents this number in scientific notation? 0.00000916 a. 916 x 10^-8 b. 9.16 x 10^-6 c. 916 x 10^8 d. 9.16 x 10^6 3. What is this number in standard form? 6.8 x 10^-4 a. 5,750,000,000 b. 575,000,000,000 c. 0.00000000575 d. 0.575000000000

asked by chase on September 10, 2012
80. ## math

2. What answer represents this number in scientific notation? 0.00000916 a. 916 x 10^-8 b. 9.16 x 10^-6 c. 916 x 10^8 d. 9.16 x 10^6 3. What is this number in standard form? 6.8 x 10^-4 a. 5,750,000,000 b. 575,000,000,000 c. 0.00000000575 d. 0.575000000000

asked by chase on September 10, 2012
81. ## Statistics

1. For the following exercise, complete the following by using the data sets below that provides the ages of the first seven presidents: a. Find the mean, median, and range for each of the two data sets. First 7: The mean is 58.3 The median is 57 The range

asked by Anonymous on July 8, 2010
82. ## Chemistry(Please check)

1)A piece of metal with a mass of 5.50 grams changed in temperature from 25 to 55 degrees celsius when 21.3 joules was absorbed. What is the specific heat of the metal? a)0.256 b)0.129 c)3.91 d) 7.75 e)0.710 Jg^-1 C^-1 I chose 7.75 because I did 5.50/21.3

asked by Hannah on January 20, 2012
83. ## Statistics

1. For the following exercise, complete the following by using the data sets below that provides the ages of the first seven presidents: a. Find the mean, median, and range for each of the two data sets. b. Find the standard deviation using the rule of

asked by Mercede on April 26, 2010
84. ## History-Read

I responded back to your last post that you didn't read. We can't use any statistics. I re-wrote what i had but can you please tell me what else I should put or how to make it stronger. Does it sound like I'm pro-war? I'm so confused right now. Thank you.

asked by Kara on March 31, 2009
85. ## social studies

The German and British governments invest heavily in human capital. How does this lead to a higher standard of living? Order the sequence to answer the question. higher literacy rates and good education leads to productive workers leads to higher wages

asked by dingo 12 on April 16, 2019
86. ## Science

Are there scientists studying the population of organisms? If there is, what are they called?

asked by September on October 17, 2009
87. ## Science

What are two ways that the size of a population can increase? Decrease?

asked by Bob bob on February 8, 2019
88. ## Science

What is the population of Diagnostic Medical Sonographers here in America?

asked by Mariz on September 13, 2008
89. ## Science

What is the population of Diagnostic Medical Sonographers here in America?

asked by Mariz on September 13, 2008
90. ## social studies

____ make up the majority of the population in guatemala

asked by Anonymous on May 12, 2014
91. ## statistics

For a population with µ = 70 and ó = 20, find the z-score that corresponds to each of the following X-values

asked by Anonymous on September 25, 2011
92. ## social studies

what challenges are created by the worlds growing population?

asked by sadaf on December 14, 2009
93. ## social studies

What challenges are created by the worlds growing population

asked by sadaf on December 14, 2009
94. ## science

what contributed most to the fish population dying during the 1970"s?

asked by Princess on September 8, 2008
95. ## math

We use the normal distribution to make estimates about a population.t or f

asked by Anonymous on April 8, 2014
96. ## Population density

If population density is high in a spot does that mean there will be more people there?

asked by Madison on May 1, 2017
97. ## social studies

compare how europeans treated the different native population

asked by katherine on October 9, 2011
98. ## Science

What is the population of diagnostic medical sonographers in america?

asked by Mariz on September 15, 2008
99. ## Science

Sorry again, but can you please tell me the website for the population/percentage of sonographers here in America please.

asked by Mariz on September 20, 2008
100. ## Social Studies

Describe how and why the middle colonies had such a diverse population.

asked by Kaitlyn on February 22, 2018