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Before the furniture store began its ad campaign, it averaged 195 customers per day. The manager is investigating if the average has changed since the ad came out. The data for the 13 randomly selected days since the ad campaign began is shown below: 185, 223, 178, 207, 221, 186, 201, 201, 189, 221, 219, 194, 202 Assuming that the distribution is normal, what can be concluded at the a = 0.10 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? v Select an answer V H1: v Select an answer V c. The test statistic (please show your answer to 3 decimal places.) d. The p-value (Please show your answer to 4 decimal places.) e. The p-value is ? va f. Based on this, we should Select an anguor

Before the furniture store began its ad campaign, it averaged 195 customers per day. The manager is investigating if the average has changed since the ad came out. The data for the 13 randomly selected days since the ad campaign began is shown below: 185, 223, 178, 207, 221, 186, 201, 201, 189, 221, 219, 194, 202 Assuming that the distribution is normal, what can be concluded at the a = 0.10 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? v Select an answer V H1: v Select an answer V c. The test statistic (please show your answer to 3 decimal places.) d. The p-value (Please show your answer to 4 decimal places.) e. The p-value is ? va f. Based on this, we should Select an anguor

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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Before the furniture store began its ad campaign, it averaged 195 customers per day. The manager is investigating if the average has changed since the ad came out. The data for the 13 randomly selected days since the ad campaign began is shown below: 185, 223, 178, 207, 221, 186, 201, 201, 189, 221, 219, 194, 202 Assuming that the distribution is normal, what can be concluded at the a = 0.10 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Họ: 7 Select an answer V H: 2 Select an answer V c. The test statistic ?v (please show your answer to 3 decimal places.) d. The p-value (Please show your answer to 4 decimal places.) e. The p-value is ? va f. Based on this, we should Select an answer v the null hypothesis.
Transcribed Image Text:Before the furniture store began its ad campaign, it averaged 195 customers per day. The manager is investigating if the average has changed since the ad came out. The data for the 13 randomly selected days since the ad campaign began is shown below: 185, 223, 178, 207, 221, 186, 201, 201, 189, 221, 219, 194, 202 Assuming that the distribution is normal, what can be concluded at the a = 0.10 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Họ: 7 Select an answer V H: 2 Select an answer V c. The test statistic ?v (please show your answer to 3 decimal places.) d. The p-value (Please show your answer to 4 decimal places.) e. The p-value is ? va f. Based on this, we should Select an answer v the null hypothesis.
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