A sample consisting of both males and females are asked torate a new movie as go

Question

A sample consisting of both males and females are asked torate a new movie as good, fair or poor. The resultsare;             good   fair      poor males     80      50     20 females   40      50      10 Can we conclude at the .05 level that there is a significantdifference in how males and females rate the product? Please show work. Thank you! A sample consisting of both males and females are asked torate a new movie as good, fair or poor. The resultsare;             good   fair      poor males     80      50     20 females   40      50      10 Can we conclude at the .05 level that there is a significantdifference in how males and females rate the product? Please show work. Thank you!

Explanation / Answer

Run a chi-square test for Homogeneity of Proportions. H0: There is no significant difference in how malesand females rate product HA:There is a significant difference in how malesand females rate the product Expected values 72   60   18 48   40   12 chi-square= (observed-expected)2/excpected df=(rows-1)(columns-1)=2 chi-square = 6.944444 fromcalculator p-value=.031 Because p is less than of .05, we can reject the nulland conclude that there is a significant difference in how malesand females rate the product.

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