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#9 ends with with an alpha level of .05 Problem set 3: use the following information to answer questions 6-8 (25 points total): Hypothetical data

#9 ends with "with an alpha level of .05"

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Problem set 3: use the following information to answer questions 6-8 (25 points total): Hypothetical data (observed frequencies) are provided below on relationship between sex and marital satisfaction. Sex Marital Satisfaction Male Female Row Total Satisfied 278 183 461 Unsatisfied 122 267 389 Column Total 400 450 850 6. Calculate the expected frequencies - that is, the frequencies we would expect to observe if there were no relationship between sex and marital satisfaction (8 pts). Sex Marital Satisfaction Male Female Row Total Satisfied 461 Unsatisfied 389 Column Total 400 450 850 7. Calculate the number of degrees of freedom associated with the chi-square test for these data (2 pts). 8. Calculate the chi-square values (10 pts) Cell (X.Y) O E (O-E) (O-EY ((0-E)/ EL Male/Satisfied 278 Male/unsatisfied 122 Female/satisfied 183 Female/unsatisfied |267 Chi-square= 9. Suppose you obtain a chi-square statistic of 70.94. Are your results statistically significant if the critical value obtained from the distribution of chi-square is 3.84 with an

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