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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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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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