Suppose that someone asks you if the average number of childrenamong families in

Question

Suppose that someone asks you if the average number of childrenamong families in a large Midwestern city is 4. You disagree andbelieve that this average in less than 4. Test the hypothesis withthe following sample data: •n = 195 •Mean # of children = 3.68 •Sx = 1.1 children •What is the critical value of children in terms of raw scoresnecessary to reject the null hypothesis? •n = 195 •Mean # of children = 3.68 •Sx = 1.1 children •What is the critical value of children in terms of raw scoresnecessary to reject the null hypothesis?

Explanation / Answer

What is the critical value of children in terms of raw scoresnecessary to reject the null hypothesis? If =0.05, the critical value is Z(0.05)=1.645 (check normaltable.) If =0.01, the critical value is Z(0.01)=2.33 (check normaltable) Hope this helps.

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