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Unformatted text preview: significance level, is there a relationship between job pressure and age? Age (years) Low Medium High Less than 25 20 18 22 25 up to 40 50 46 44 40 up to 60 58 63 59 60 and older 34 43 43 Chi square test of independence (between the age and job pressure) o H o : There is no relationship between job pressure and age o H a : There is a relationship between job pressure and age Significance = = 0.01 o We will reject Ho if the test p- value < 0.01 Degrees of Freedom = (4 1)(3 1) = 6 The Chi square test statistic for this data (Using a Chi square calculator) is 2.1 o The p- value corresponding to this is 0.91. o Since 0.91 > 0.01, we fail to reject H o Conclusion: There is no statistical basis to conclude that job pressure and age are related....
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- Spring '11