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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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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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
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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