# To test mean job satisfaction - Chi-square

Hypothesis - To test mean job satisfaction. See attached file for full problem description.

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12.3)

3) Since the calculated value, 2.04 is less than critical value,10.5 we accept H0 .

H0 here says that variances are equal.

13.5)

5)

a)Crimes are being estimated,therefore its dependent variable and police is independent variable

b)Since police is independent variable its taken along x - axis and crimes are taken along y-axis.

c)Correct formula has been used.

d)Coefficient of determination is square of coefficient of correlation.

e)Since r is negative, ...

#### Solution Summary

The expert tests the mean job satisfaction using a chi-square test.

$2.19