A hospital administrator believes that the standard deviation of the number of people using outpatient surgery is greater than 8. A random sample of 15 days is selected. The data is shown below. At...


A hospital administrator believes that the standard deviation of the number of people using outpatient surgery is greater<br>than 8. A random sample of 15 days is selected. The data is shown below. At alpha = 0.10, is there enough evidence<br>to support the administrator's claim?<br>23<br>30<br>15<br>18<br>42<br>16<br>10<br>12<br>12<br>38<br>14<br>27<br>A. What type of test is this?<br>O Left tail<br>O Right tail<br>O Two tail<br>B. What is the critical value?<br>C. What is the standard deviation of the sample, reported to 4 decimal places?<br>D. What is the test statistic, using the sample standard deviation from part C? Report answer to 3 decimal places.<br>E. What is the p value? Report answer to 4 decimal places, using the answer in<br>part D.<br>F. What is the decision?<br>OReject the null hypothesis<br>O Fail to reject the null hypothesis<br>

Extracted text: A hospital administrator believes that the standard deviation of the number of people using outpatient surgery is greater than 8. A random sample of 15 days is selected. The data is shown below. At alpha = 0.10, is there enough evidence to support the administrator's claim? 23 30 15 18 42 16 10 12 12 38 14 27 A. What type of test is this? O Left tail O Right tail O Two tail B. What is the critical value? C. What is the standard deviation of the sample, reported to 4 decimal places? D. What is the test statistic, using the sample standard deviation from part C? Report answer to 3 decimal places. E. What is the p value? Report answer to 4 decimal places, using the answer in part D. F. What is the decision? OReject the null hypothesis O Fail to reject the null hypothesis

Jun 08, 2022
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