Last year a company received 50 complaints concerning carpet installation. The data in the accompanying table represents the number of days between the receipt of a complaint and the resolution of the complaint. Days between receipt and resolution of complaint 49 64 9 33 136 31 24 155 5 118 73 78 21 22 19 115 113 106 22 87 85 40 25 23 10 11 6 160 34 30 29 28 22 1 10 12 17 10 14 18 29 52 35 24 35 28 27 22 38 60 The supervisor claims that the mean number of days between the receipt of a complaint and the resolution of the complaint is 40 days. At the 0.10 level of significance, is there evidence that the claim is not true (that is, that the mean number of days is different from 40)? State the null and alternative hypotheses. H0: H1: Determine the test statistic. The test statistic is ___. (Round to four decimal places as needed.) Find the p-value. p-value=___ (Round to four decimal places as needed.) State the conclusion ___A___ H0. There is __B__ evidence to conclude that the mean number of days is different from 40. A: Do not reject or reject
Last year a company received 50 complaints concerning carpet installation. The data in the accompanying table represents the number of days between the receipt of a complaint and the resolution of the complaint. Days between receipt and resolution of complaint 49 64 9 33 136 31 24 155 5 118 73 78 21 22 19 115 113 106 22 87 85 40 25 23 10 11 6 160 34 30 29 28 22 1 10 12 17 10 14 18 29 52 35 24 35 28 27 22 38 60 The supervisor claims that the mean number of days between the receipt of a complaint and the resolution of the complaint is 40 days. At the 0.10 level of significance, is there evidence that the claim is not true (that is, that the mean number of days is different from 40)? State the null and alternative hypotheses. H0: H1: Determine the test statistic. The test statistic is ___. (Round to four decimal places as needed.) Find the p-value. p-value=___ (Round to four decimal places as needed.) State the conclusion ___A___ H0. There is __B__ evidence to conclude that the mean number of days is different from 40. A: Do not reject or reject
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 21PPS
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Last year a company received 50 complaints concerning carpet installation. The data in the accompanying table represents the number of days between the receipt of a complaint and the resolution of the complaint.
Days between receipt and resolution of complaint
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|
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49
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64
|
9
|
33
|
136
|
31
|
24
|
155
|
5
|
118
|
|
73
|
78
|
21
|
22
|
19
|
115
|
113
|
106
|
22
|
87
|
|
85
|
40
|
25
|
23
|
10
|
11
|
6
|
160
|
34
|
30
|
|
29
|
28
|
22
|
1
|
10
|
12
|
17
|
10
|
14
|
18
|
|
29
|
52
|
35
|
24
|
35
|
28
|
27
|
22
|
38
|
60
|
The supervisor claims that the mean number of days between the receipt of a complaint and the resolution of the complaint is 40 days. At the 0.10 level of significance, is there evidence that the claim is not true (that is, that the mean number of days is different from 40)?
State the null and alternative hypotheses.
H0:
H1:
Determine the test statistic.
The test statistic is ___. (Round to four decimal places as needed.)
Find the p-value.
p-value=___ (Round to four decimal places as needed.)
State the conclusion
___A___ H0. There is __B__ evidence to conclude that the mean number of days is different from 40.
A: Do not reject or reject
B: insufficient or suffcient
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