The following sample contains weight in lbs of 16 American pet cats. We know that the average weight of Mexican pet cats is 9.5 lbs. Is there a significant difference in weight between American household cats and Mexican household cats?

Perform a two-tailed one-sample ttest with = .05. The next five questions are based on this analysis.

8

13

9

14

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10

14

12

16

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14

9

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10

9

14

[Cat weight study - 1]

What is the hypothesis being tested directly by the one-sample t test? What is the criticaltvalue to use for this hypothesis test if the manual method is used instead of SPSS? What is the t statistic? What is the probability of the null hypothesis being true? What is the decision of the hypothesis test?