Answered: Suppose an ad agency claims that likes…

Name: Possible answers : Reject H0. At the 5% significance level, the test r
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Description: Possible answers : Reject H0. At the 5% significance level, the test results are not statistically significant and at best, provide weak evidence against the null hypothesis. Reject H0. At the 5% significance level, the data provide sufficient eviden

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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Reject H0. At the 5% significance level, the test results are not statistically significant and at best, provide weak evidence against the null hypothesis.

Reject H0. At the 5% significance level, the data provide sufficient evidence to conclude that the mean likes per hour of their ad is not equal to 7 likes.

Do not reject H0. At the 5% significance level, the test results are not statistically significant and at best, provide weak evidence against the null hypothesis.

Do not reject H0. At the 5% significance level, the data provide sufficient evidence to conclude that the mean likes per hour of their ad is not equal to 7 likes.

Suppose an ad agency claims that likes per hour of their ad is not equal to 7 likes, on average. Several of their employees do
not believe them, so a manager decides to do a hypothesis test, at a 5% significance level, to persuade them. She collects
data for 19 hours and works through the testing procedure:
6.2
. α 0.05 (significance level)
. The test statistic is
6.2-7
0.9
-3.87
. The critical values are-Z0025
-1.96 and zo.025
1.96
Conclude whether to reject or not reject Ho, and interpret the results.

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