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from om a study interviewed two random samples, one in Read a print book Yes No Total 2015 1206 680 1886 The test statistic is z = Round to two decimal places as needed.) Identify the p-value. -value= Round to three decimal places as needed.) 2018 1315 695 2010 Since the p-value is that read a book in the last year. Total O 2521 1375 a. Find and compare the sample proportions that had read a print book for these two groups. The sample proportion of the 2015 subjects that read a book within the last year is. The sample proportion of the 2018 subjects that read a book within the last year is (Round to four decimal places as needed.) The sample proportion for 2015 is b. Find a pooled estimate of the sample proportion. A pooled estimate of the sample proportion is Round to four decimal places as needed.) c. Has the proportion who read print books increased? Find the observed value of the test statistic to test the hypotheses Ho: P₁ P₂ and H₂: P₁ P₂ assuming the conditions for a two-proportion z-test hold. Use a significance level of 0.05. and one the sample proportion for 2018. the significance level of a=0.05, samples were asked Have you read print book in the last Use the accompanying results from the study to complete pants (a) through (c) the null hypothesis. There is evidence to support the claim that the proportion of people in 2015 that read a book in the last year is the proportion of people in

from om a study interviewed two random samples, one in Read a print book Yes No Total 2015 1206 680 1886 The test statistic is z = Round to two decimal places as needed.) Identify the p-value. -value= Round to three decimal places as needed.) 2018 1315 695 2010 Since the p-value is that read a book in the last year. Total O 2521 1375 a. Find and compare the sample proportions that had read a print book for these two groups. The sample proportion of the 2015 subjects that read a book within the last year is. The sample proportion of the 2018 subjects that read a book within the last year is (Round to four decimal places as needed.) The sample proportion for 2015 is b. Find a pooled estimate of the sample proportion. A pooled estimate of the sample proportion is Round to four decimal places as needed.) c. Has the proportion who read print books increased? Find the observed value of the test statistic to test the hypotheses Ho: P₁ P₂ and H₂: P₁ P₂ assuming the conditions for a two-proportion z-test hold. Use a significance level of 0.05. and one the sample proportion for 2018. the significance level of a=0.05, samples were asked Have you read print book in the last Use the accompanying results from the study to complete pants (a) through (c) the null hypothesis. There is evidence to support the claim that the proportion of people in 2015 that read a book in the last year is the proportion of people in

MATLAB: An Introduction with Applications
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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The researchers from a study interviewed two random samples, one in 2015 and one in 2018. Both samples were asked "Have you read a print book in the last year?" Use the accompanying results from the study to complete parts (a) through (c). Read a print book Total 9 Yes 2521 1375 No Total 2015 1206 680 1886 p-value= (Round to three decimal places as needed.) 2018 1315 695 2010 a. Find and compare the sample proportions that had read a print book for these two groups. The sample proportion of the 2015 subjects that read a book within the last year is. The sample proportion of the 2018 subjects that read a book within the last year is (Round to four decimal places as needed.) The sample proportion for 2015 is b. Find a pooled estimate of the sample proportion. A pooled estimate of the sample proportion is (Round to four decimal places as needed.) c. Has the proportion who read print books increased? Find the observed value of the test statistic to test the hypotheses Ho: P₁ = P2 and Ha: P₁ P2 assuming the conditions for a two-proportion z-test hold. Use a significance level of 0.05. The test statistic is z = (Round to two decimal places as needed.) Identify the p-value. Since the p-value is that read a book in the last year. the sample proportion for 2018. the significance level of a = 0.05, C the null hypothesis. There is evidence to support the claim that the proportion of people in 2015 that read a book in the last year is the proportion of people in 2018
Transcribed Image Text:The researchers from a study interviewed two random samples, one in 2015 and one in 2018. Both samples were asked "Have you read a print book in the last year?" Use the accompanying results from the study to complete parts (a) through (c). Read a print book Total 9 Yes 2521 1375 No Total 2015 1206 680 1886 p-value= (Round to three decimal places as needed.) 2018 1315 695 2010 a. Find and compare the sample proportions that had read a print book for these two groups. The sample proportion of the 2015 subjects that read a book within the last year is. The sample proportion of the 2018 subjects that read a book within the last year is (Round to four decimal places as needed.) The sample proportion for 2015 is b. Find a pooled estimate of the sample proportion. A pooled estimate of the sample proportion is (Round to four decimal places as needed.) c. Has the proportion who read print books increased? Find the observed value of the test statistic to test the hypotheses Ho: P₁ = P2 and Ha: P₁ P2 assuming the conditions for a two-proportion z-test hold. Use a significance level of 0.05. The test statistic is z = (Round to two decimal places as needed.) Identify the p-value. Since the p-value is that read a book in the last year. the sample proportion for 2018. the significance level of a = 0.05, C the null hypothesis. There is evidence to support the claim that the proportion of people in 2015 that read a book in the last year is the proportion of people in 2018
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