During a period of one month, a random sample of 27 approved life insurance policies is selected, and the total processing time, in days, is recorded as shown in the data table below. Complete parts (a) through (d). Click the icon to view the data table. ... a. In the past, the mean processing time was 50 days. At the 0.01 level of significance, is there evidence that the mean processing time has changed from 50 days? State the null and alternative hypotheses. H₁H More Info Total processing time, in days 71 19 16 64 28 28 31 90 64 75 50 443 26 38 2253 60 36 56 17 17 91 83 63 50 51 69 16 17 272 22 18 475 5 550 Print Done - X
During a period of one month, a random sample of 27 approved life insurance policies is selected, and the total processing time, in days, is recorded as shown in the data table below. Complete parts (a) through (d). Click the icon to view the data table. ... a. In the past, the mean processing time was 50 days. At the 0.01 level of significance, is there evidence that the mean processing time has changed from 50 days? State the null and alternative hypotheses. H₁H More Info Total processing time, in days 71 19 16 64 28 28 31 90 64 75 50 443 26 38 2253 60 36 56 17 17 91 83 63 50 51 69 16 17 272 22 18 475 5 550 Print Done - X
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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Transcribed Image Text:During a period of one month, a random sample of 27 approved life insurance policies is selected, and the total
processing time, in days, is recorded as shown in the data table below. Complete parts (a) through (d).
Click the icon to view the data table.
...
a. In the past, the mean processing time was 50 days. At the 0.01 level of significance, is there evidence that the mean
processing time has changed from 50 days?
State the null and alternative hypotheses.
H₁H
More Info
Total processing time, in days
71 19 16 64 28 28 31 90 64
75
50
443
26
38
2253
60
36
56
17 17 91 83 63 50
51
69 16 17
272
22 18
475
5
550
Print
Done
- X
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