Before the furniture store began its ad campaign, it averaged 172 customers per day. The manager is investigating if the average is larger since the ad came out. The data for the 12 randomly selected days since the ad campaign began is shown below: 158, 172, 183, 190, 176, 188, 197, 194, 162, 194, 174, 154 Assuming that the distribution is normal, what can be concluded at the a = 0.05 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 ♥ H1: ? v 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. g. Thus, the final conclusion is that ... O The data suggest the population mean is not significantly more than 172 at a = 0.05, so there is sufficient evidence to conclude that the population mean number of customers since the ad campaign began is equal to 172. The data suggest that the population mean number of customers since the ad campaign began is not significantly more than 172 at a = 0.05, so there is insufficient evidence to conclude that the population mean number of customers since the ad campaign began is more than 172 %3D The data suggest the populaton mean is significantly more than 172 at a = 0.05, so there is sufficient evidence to conclude that the population mean number of customers since the ad campaign began is more than 172.
Before the furniture store began its ad campaign, it averaged 172 customers per day. The manager is investigating if the average is larger since the ad came out. The data for the 12 randomly selected days since the ad campaign began is shown below: 158, 172, 183, 190, 176, 188, 197, 194, 162, 194, 174, 154 Assuming that the distribution is normal, what can be concluded at the a = 0.05 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 ♥ H1: ? v 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. g. Thus, the final conclusion is that ... O The data suggest the population mean is not significantly more than 172 at a = 0.05, so there is sufficient evidence to conclude that the population mean number of customers since the ad campaign began is equal to 172. The data suggest that the population mean number of customers since the ad campaign began is not significantly more than 172 at a = 0.05, so there is insufficient evidence to conclude that the population mean number of customers since the ad campaign began is more than 172 %3D The data suggest the populaton mean is significantly more than 172 at a = 0.05, so there is sufficient evidence to conclude that the population mean number of customers since the ad campaign began is more than 172.
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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