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Number of 13 12 18 10 6. 14 11 19 15 9 days for recovery Age 11 9 66 20 13 28 22 65 70 18 (b)A doctor wishes to see whether the pulse rates of smokers are higher than the pulse rates of non- smokers. Sample of 12 smokers and 10 non smokers are selected. The results are given as the average of smokers and non smokers are 89 and 86 respectively and the population variances of smokers and non smokers are as 25 and 36 respectively. Can the doctor conclude, at a = 0.02, that smokers have higher pulse rates than %3D nonsmokers ?

Number of 13 12 18 10 6. 14 11 19 15 9 days for recovery Age 11 9 66 20 13 28 22 65 70 18 (b)A doctor wishes to see whether the pulse rates of smokers are higher than the pulse rates of non- smokers. Sample of 12 smokers and 10 non smokers are selected. The results are given as the average of smokers and non smokers are 89 and 86 respectively and the population variances of smokers and non smokers are as 25 and 36 respectively. Can the doctor conclude, at a = 0.02, that smokers have higher pulse rates than %3D nonsmokers ?

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
Section10.3: Measures Of Spread
Problem 1GP
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Number of 13 days 12 18 10 6 14 11 19 15 9. for recovery Age 11 9. 66 20 13 28 22 65 70 18 (b)A doctor wishes to see whether the pulse rates of smokers are higher than the pulse rates of non- smokers. Sample of 12 smokers and 10 non smokers are selected. The results are given as the average of smokers and non smokers are 89 and 86 respectively and the population variances of smokers and non smokers are as 25 and 36 respectively. Can the doctor conclude, at a = 0.02, that smokers have higher pulse rates than nonsmokers ?
Transcribed Image Text:Number of 13 days 12 18 10 6 14 11 19 15 9. for recovery Age 11 9. 66 20 13 28 22 65 70 18 (b)A doctor wishes to see whether the pulse rates of smokers are higher than the pulse rates of non- smokers. Sample of 12 smokers and 10 non smokers are selected. The results are given as the average of smokers and non smokers are 89 and 86 respectively and the population variances of smokers and non smokers are as 25 and 36 respectively. Can the doctor conclude, at a = 0.02, that smokers have higher pulse rates than nonsmokers ?
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