You can calculate the P-value for a chi-square test using technology. After calculating the standardized test statistic, use the cumulative distribution function (CDF) to calculate the area under the curve. Use the P-value method to test the claim. A hospital spokesperson claims that the standard deviation of the waiting times experienced by patients in its minor emergency department is no more than 0.5 minutes. A random sample of 27 waiting times has a standard deviation of 0.7 minutes. At a = 0.01, is there enough evidence to reject the spokesperson's claim? Identify the standardized test statistic. 2= 50.96 (Round to two decimal places as needed.) Identify the P-value. P= 0.0024 (Round to four decimal places as needed.) Choose the correct conclusion below. O A. Reject Ho. There is not enough evidence at the 1% level of significance to reject the spokesperson's claim. O B. Fail to reject Ho. There is enough evidence at the 1% level of significance to reject the spokesperson's claim. O C. Reject Ho There is enough evidence at the 1% level of significance to reject the spokesperson's claim. OD. Fail to reject Ho. There is not enough evidence at the 1% level of significance to reject the spokesperson's claim.
You can calculate the P-value for a chi-square test using technology. After calculating the standardized test statistic, use the cumulative distribution function (CDF) to calculate the area under the curve. Use the P-value method to test the claim. A hospital spokesperson claims that the standard deviation of the waiting times experienced by patients in its minor emergency department is no more than 0.5 minutes. A random sample of 27 waiting times has a standard deviation of 0.7 minutes. At a = 0.01, is there enough evidence to reject the spokesperson's claim? Identify the standardized test statistic. 2= 50.96 (Round to two decimal places as needed.) Identify the P-value. P= 0.0024 (Round to four decimal places as needed.) Choose the correct conclusion below. O A. Reject Ho. There is not enough evidence at the 1% level of significance to reject the spokesperson's claim. O B. Fail to reject Ho. There is enough evidence at the 1% level of significance to reject the spokesperson's claim. O C. Reject Ho There is enough evidence at the 1% level of significance to reject the spokesperson's claim. OD. Fail to reject Ho. There is not enough evidence at the 1% level of significance to reject the spokesperson's claim.
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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