Refer to the data set in Question #1 above (You will need the standard deviation from Part A). Assume the population of dishwasher repair costs is normally distributed. A. Construct a 99% confidence interval for the population variance. B. Construct a 99% confidence interval for the population standard deviation.
Refer to the data set in Question #1 above (You will need the standard deviation from Part A). Assume the population of dishwasher repair costs is normally distributed. A. Construct a 99% confidence interval for the population variance. B. Construct a 99% confidence interval for the population standard deviation.
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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Data set is on picture #2
Transcribed Image Text:6.
Refer to the data set in Question #1 above (You will need the standard deviation from Part A)
Assume the population of dishwasher repair costs is normally distributed.
A. Construct a 99% confidence interval for the population variance.
B. Construct a 99% confidence interval for the population standard deviation.
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Transcribed Image Text:on B
E Julian Nutter - Chapter 6 Test X
E Standard Deviation Calculato x
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ter - Chapter 6 Test B, Prob & Stats
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Prob. & Stats, Ch. 6 Test
Ver B
Sedgwick
1. The following data set represents the repair costs (in dollars) for a random sample of 30
dishwashers.
46.02
56.11
56.60
59.76
72.28
76.78
79.73
85.79
88.97
91.95
94.08
95.02
88.21
90.41
91.44
93.50
98.95
101.02
103.29
99.39
104.42
111.02
109.64
112.72
115.77
108.81
125.90
143.92
146.04
138.66
Eahe nonulation mean
andard deviation
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