#3EDespite Progress - Millions Without Access to EducationNumber of out-of-school children worldwide by age group, region and gender (in millions)MaleFemale23.7Primary school age18.2 21.6k...12.814.57.611.14.8 10.57.75.11 2 3 420.02000 2012 2000 2012Sub-Saharan Africa South Asia54R%5T2000 2012 2000 2012Rest of the World Sub-Saharan Africa2712.4 11.8A6Lower secondary school age9.5 10.2YWhich region showed the least amount of growth in children attending lower levelsecondary school?MacBook Pro&721.35. 616.1There are only statistics for two years shown on this chart. What do you think the author istrying to show by including information from these two different years?U12.613.72000 2012South Asia8tv18.019.6AJ2000 2012Rest of the World-7.2(7.49O)07

Statistics are has two branches, they are descriptive and inferential statistic. Descriptive…

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Asian economies impact some of the world's largest populations. The growth of an economy has a big influence on the everyday lives of ordinary people. Are Asian economies changing? A random sample of 15 Asian economies gave the following information about annual percentage growth rate. Region 1 2 3 4 5 6 7 8 Modern Growth Rate % 4.4 2.9 7.6 2.6 0.9 5.3 2.3 4.8 Historic Growth Rate 3.1 1.7 7.1 5.9 3.1 6.2 3.4 8.6 Region 9 10 11 12 13 14 15 Modern Growth Rate % 4.5 5.2 6.6 3.8 3.8 0.2 7.7 Historic Growth Rate 6.6 7.8 6.2 1.3 1.4 2.7 5.9 Does this information indicate a change (either way) in the growth rate of Asian economies? Use a 10% level of significance. (a) What is the level of significance? State the null and alternate hypotheses. Ho: Distributions are the same. H1: Distributions are different.Ho: Distributions are different. H1: Distributions are the same. Ho: Distributions are the same. H1: Distributions are the same.Ho: Distributions are different.…
Oxygen consumption was measured in twelve individuals while they sat with their eyes closed listening to an exciting adventure story read by Taylor Swift or a restful instrumental medley performed by Metallica. Based on the results shown, is oxygen consumption less when listening to the music? Story Music 6.1 5.4 7.2 6.7 5.7 5.4 6.4 4.2 5.8 4.0 6.2 4.1
What is the age distribution of promotion-sensitive shoppers? A supermarket super shopper is defined as a shopper for whom at least 70% of the items purchased were on sale or purchased with a coupon.Age range, years 18-28 29-39 40-50 51-61 62 and overMidpoint x 23 34 45 56 67Percent of super shoppers 6% 47% 25% 11% 11%For the 62-and-over group, use the midpoint 67 years. (a) Compute the expected age μ of a super shopper. (Round your answer to two decimal places.)μ = (b) Compute the standard deviation σ for ages of super shoppers. (Round your answer to two decimal places.) σ=
Researchers are wondering whether they can predict college GPA with the number of hours studying per week. To test this, they randomly select 8 college students, record their GPA and the number of hours spent studying per week. GPA 2.5 2.7 3.4 3.7 2.7 1.9 2.0 4.0 ID 1 2 3 4 5 6 7 8 Hours studying per week 25.0 27.6 30.2 35.0 31.6 25.6 30.0 40.0 Based on the information in the table above, the researchers compute the regression equation: Y = -0.970 + 0.125 X. Do the researchers have enough evidence to claim that the number of hours studying predicts students' GPA? Based on the analysis, what would be the predicted GPA for someone who studies 30 hours per week? O2.00 O Cannot be predicted. O 1.25 2.78
Asian economies impact some of the world's largest populations. The growth of an economy has a big influence on the everyday lives of ordinary people. Are Asian economies changing? A random sample of 15 Asian economies gave the following information about annual percentage growth rate. Region 1 2 3 4 5 6 7 8 Modern Growth Rate % 4.4 2.9 7.6 2.4 0.9 5.5 2.5 4.8 Historic Growth Rate 3.1 1.7 7.2 5.3 3.7 6.4 3.4 8.8 Region 9 10 11 12 13 14 15 Modern Growth Rate % 4.3 5.2 6.5 3.8 3.4 0.2 7.5 Historic Growth Rate 6.6 7.8 6.2 1.9 1.2 2.9 5.3 Does this information indicate a change (either way) in the growth rate of Asian economies? Use a 10% level of significance. Compute the sample test statistic. (Round your answer to two decimal places.) Find the P-value of the sample test statistic. (Round your answer to four decimal places.)
17. Module 1Spring 2022 StatCX W Chapter 102 Homework - Spring X A webassign.net/web/Student/Assignment-Responses/last?dep=28720443 The increasing annual cost (including tuition, room, board, books, and fees) to attend college has been widely discussed (Time.com). The following random samples show the annual cost of attending private and public colleges. Data are in thousands of dollars. Private Colleges Public Colleges 52.8 43.2 45.0 33.3 44.0 20.3 22.0 28.2 15.6 24.1 28.5 31.6 46.8 38.8 50.5 43.0 22.8 25.8 18.5 25.6 14.4 21.8 (a) Compute the sample mean (in thousand dollars) and sample standard deviation (in thousand dollars) for private colleges. (Round the standard deviation to two decimal places.) sample mean %24 thousand sample standard deviation thousand Compute the sample mean (in thousand dollars) and sample standard deviation (in thousand dollars) for public colleges. (Round the standard deviation to two decimal places.) sample mean thousand sample standard deviation $…
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Chapter 5, Section 2, Exercise 051 More Information From the Online Dating Survey A survey conducted in July 2015 asked a random sample of American adults whether they had ever used online dating (either an online dating site or a dating app on their cell phone).College-Educated or Not?The survey also asked participants for their level of education, and we wish to estimate the difference in the proportion to use online dating between those with a college degree and those with a high school degree or less. The results are shown in the two-way table below. College High School Total Yes 157 70 227 No 666 565 1231 Total 823 635 1458Table 1: Have you ever used an online dating site or a dating app? (a) What proportion of college graduates answered yes when asked if they had ever used online dating? What proportion of those with a high school degree or less said yes? What is the sample difference in proportions?Let pC and pH be the…
The most obese countries in the world have obesity rates that range from 11.4% to 74.6%. This data is summarized in the following table. Percent of Population Obese Number of Countries 11.4–20.45 32 20.45–29.45 11 29.45–38.45 5 38.45–47.45 0 47.45–56.45 3 56.45–65.45 2 65.45–74.45 1 74.45–83.45 1 (a) What is the best estimate of the average obesity percentage for these countries? (Round your answer to two decimal places.)(b) The United States has an average obesity rate of 33.9%. Is this rate above average or below? (Round your answers to two decimal places.) Since the average for the United Sates is 33.9%, compared to the average obesity rate of %, the United States has an obesity rate % higher than average. (c) How does the United States compare to other countries? (Assume that the United States is included in the data. Assume the other countries in the range 29.45–38.45 have higher obesity than the United States.) 1. The United States has an obesity rate…

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