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ou wish to test the following claim (Ha) at a significance level of a = 0.01. For the context of this roblem, µd = µ2 – µi where the first data set represents a pre-test and the second data set represents post-test. H.: Hd = 0 0 > Prl : ®H ou believe the population of difference scores is normally distributed, but you do not know the standard leviation. You obtain pre-test and post-test samples for n = 18 subjects. The average difference (post - re) is d = – 23 with a standard deviation of the differences of sa = 48.8. Vhat is the test statistic for this sample? (Report answer accurate to three decimal places.) est statistic = Vhat is the p-value for this sample? (Report answer accurate to four decimal places.) -value = he p-value is... less than (or equal to) a O greater than a his test statistic leads to a decision to... O reject the null accept the null fail to reject the null s such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the mean difference of post-test from pre-test is less than 0. O There is not sufficient evidence to warrant rejection of the claim that the mean difference of post- test from pre-test is less than 0. O The sample data support the claim that the mean difference of post-test from pre-test is less than 0. O There is not sufficient sample evidence to support the claim that the mean difference of post-test from pre-test is less than 0.

ou wish to test the following claim (Ha) at a significance level of a = 0.01. For the context of this roblem, µd = µ2 – µi where the first data set represents a pre-test and the second data set represents post-test. H.: Hd = 0 0 > Prl : ®H ou believe the population of difference scores is normally distributed, but you do not know the standard leviation. You obtain pre-test and post-test samples for n = 18 subjects. The average difference (post - re) is d = – 23 with a standard deviation of the differences of sa = 48.8. Vhat is the test statistic for this sample? (Report answer accurate to three decimal places.) est statistic = Vhat is the p-value for this sample? (Report answer accurate to four decimal places.) -value = he p-value is... less than (or equal to) a O greater than a his test statistic leads to a decision to... O reject the null accept the null fail to reject the null s such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the mean difference of post-test from pre-test is less than 0. O There is not sufficient evidence to warrant rejection of the claim that the mean difference of post- test from pre-test is less than 0. O The sample data support the claim that the mean difference of post-test from pre-test is less than 0. O There is not sufficient sample evidence to support the claim that the mean difference of post-test from pre-test is less than 0.

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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You wish to test the following claim (Ha) at a significance level of a = problem, µd = µ2 – µi where the first data set represents a pre-test and the second data set represents :0.01. For the context of this a post-test. H.: 0 > Prl :"H You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain pre-test and post-test samples for n = pre) is d 18 subjects. The average difference (post - – 23 with a standard deviation of the differences of sd = 48.8. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... less than (or equal to) a O greater than a This test statistic leads to a decision to... reject the null accept the null O fail to reject the null As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the mean difference of post-test from pre-test is less than 0. There is not sufficient evidence to warrant rejection of the claim that the mean difference of post- test from pre-test is less than 0. The sample data support the claim that the mean difference of post-test from pre-test is less than 0. There is not sufficient sample evidence to support the claim that the mean difference of post-test from pre-test is less than 0.
Transcribed Image Text:You wish to test the following claim (Ha) at a significance level of a = problem, µd = µ2 – µi where the first data set represents a pre-test and the second data set represents :0.01. For the context of this a post-test. H.: 0 > Prl :"H You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain pre-test and post-test samples for n = pre) is d 18 subjects. The average difference (post - – 23 with a standard deviation of the differences of sd = 48.8. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... less than (or equal to) a O greater than a This test statistic leads to a decision to... reject the null accept the null O fail to reject the null As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the mean difference of post-test from pre-test is less than 0. There is not sufficient evidence to warrant rejection of the claim that the mean difference of post- test from pre-test is less than 0. The sample data support the claim that the mean difference of post-test from pre-test is less than 0. There is not sufficient sample evidence to support the claim that the mean difference of post-test from pre-test is less than 0.
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