1. A sample of employed men aged 18 to 67 were asked if they had carried out work on their home in the preceding year for which they would have previously employed a craftsman. The table below gives the summary of responses of 906 homeowners. Use a = 0.05 to answer the questions. Home Repair Row Total Work Skilled Unskilled Yes No Office Yes No Yes No 52 31 191 76 427 (a) Test the hypotheses that frequency of home repair is related to the age for skilled work. <30 56 12 Column Totals 23 9 54 19 173 Age 31-45 56 21 46+ 35 8 49 51 102 61 306 147 41 124 91 347 156 906
1. A sample of employed men aged 18 to 67 were asked if they had carried out work on their home in the preceding year for which they would have previously employed a craftsman. The table below gives the summary of responses of 906 homeowners. Use a = 0.05 to answer the questions. Home Repair Row Total Work Skilled Unskilled Yes No Office Yes No Yes No 52 31 191 76 427 (a) Test the hypotheses that frequency of home repair is related to the age for skilled work. <30 56 12 Column Totals 23 9 54 19 173 Age 31-45 56 21 46+ 35 8 49 51 102 61 306 147 41 124 91 347 156 906
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:1. A sample of employed men aged 18 to 67 were asked if they had carried out work on their home in.
the preceding year for which they would have previously employed a craftsman. The table below
gives the summary of responses of 906 homeowners. Use a = 0.05 to answer the questions.
Work
Home Repair
Row Total
Skilled
Unskilled
Office
Yes
No
Yes
No
Yes
No
<<30
56
12
23
9
54
19
173
Age
31-45
56
21
52
31
191
76
427
W
46+
35
8
49
51
102
61
Column Totals
306
(a) Test the hypotheses that frequency of home repair is related to the age for skilled, work
147
41
124
91
347
156
906
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