A microwave oven repairer believes that the mean repair cost for damaged computers is more than $95. To test this claim, you determine the repair consts for seven randomly selected computers and find the mean repair cost is $100 per computer with a standard devaition of $42.50. At a = 0.01, do you have enough evidence to support the repairer's claim?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A
C
E
F
G
H
K
L
M
N
Type of test
Ha
n
μ
2 df
Họ
3 alpha
4 alpha/2
A microwave oven repairer believes that the mean repair cost for
damaged computers is more than $95. To test this claim, you
determine the repair consts for seven randomly selected computers
5 Ho
and find the mean repair cost is $100 per computer with a standard
devaition of $42.50. At a = 0.01, do you have enough evidence to
Test statistic
support the repairer's claim?
8
9
o or s
critical value (s)
10
11
p-value
12 o/sqrt(n)
13
14
decision
15
16
17
18
conclusion
Transcribed Image Text:A C E F G H K L M N Type of test Ha n μ 2 df Họ 3 alpha 4 alpha/2 A microwave oven repairer believes that the mean repair cost for damaged computers is more than $95. To test this claim, you determine the repair consts for seven randomly selected computers 5 Ho and find the mean repair cost is $100 per computer with a standard devaition of $42.50. At a = 0.01, do you have enough evidence to Test statistic support the repairer's claim? 8 9 o or s critical value (s) 10 11 p-value 12 o/sqrt(n) 13 14 decision 15 16 17 18 conclusion
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