A sample of 20 items provides a sample standard deviation of 9.5. Test the following hypotheses using a = 0.05. What is your conclusion? Ho: 0² ≤ 50 H₂:0² > 50 Use the p-value approach. Find the value of the test statistic. Find the p-value. (Round your answer to three decimal places.) p-value = State your conclusion. O Reject Ho. We conclude that the population variance is greater than 50. O Do not reject Ho. We conclude that the population variance is greater than 50. O Reject Ho. We conclude that the population variance is not greater than 50. O Do not reject Ho. We conclude that the population variance is not greater than 50. Use the critical value approach. Find the value of the test statistic.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 23PFA
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A sample of 20 items provides a sample standard deviation of 9.5. Test the following hypotheses using a = 0.05. What is your conclusion?
Ho: 0² ≤50
H₂:0² > 50
Use the p-value approach.
Find the value of the test statistic.
Find the p-value. (Round your answer to three decimal places.)
p-value=
=
State your conclusion.
Reject Ho
We conclude that the population variance is greater than 50.
Do not reject Ho. We conclude that the population variance is greater than 50.
Reject Ho. We conclude that the population variance is not greater than 50.
Do not reject Ho. We conclude that the population variance is not greater than 50.
Use the critical value approach.
Find the value of the test statistic.
Transcribed Image Text:A sample of 20 items provides a sample standard deviation of 9.5. Test the following hypotheses using a = 0.05. What is your conclusion? Ho: 0² ≤50 H₂:0² > 50 Use the p-value approach. Find the value of the test statistic. Find the p-value. (Round your answer to three decimal places.) p-value= = State your conclusion. Reject Ho We conclude that the population variance is greater than 50. Do not reject Ho. We conclude that the population variance is greater than 50. Reject Ho. We conclude that the population variance is not greater than 50. Do not reject Ho. We conclude that the population variance is not greater than 50. Use the critical value approach. Find the value of the test statistic.
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