# p values answers - retain 1.67 0475 reject 1.645 reject −...

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Name ________________________________ Section Number __________________ Psychology 2801 Testing the Null Suppose I have strong evidence that the mean for my sample of children is greater than the general population. The one-tailed critical z using an α of .05 equals __ 1.645 ____. I would reject the null if my p -value is ___ less __ than α I would reject the null if my test statistic is __ greater __ than the critical value in absolute value. The following are z values that correspond to the one-tailed hypothesis test. Find the: z p -value Decision Critical value Decision (greater than z ) regarding Null from above regarding Null 2.00 __ .0228 _ _ reject _ _ 1.645 ___ __ reject _ 1.34 _ .0901 _ _ retain __ _ 1.645 ___ __ retain __ 1.87 _ .0307 _ _ reject _ _ 1.645 ___ __ reject __ 0.02 __ .4920 __ _ retain __ _ 1.645
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Unformatted text preview: ___ __ retain _ 1.67 __ 0475 __ _ reject _ _ 1.645 ___ __ reject __ − 3.00 __ .9987 __ __ retain __ _ 1.645 ___ __ re tain _ Now, suppose that we decided to use a two-tailed α of .05 for the same research question. The critical value would be equal to __ ±1.96 _ The following are z values that correspond to the two-tailed hypothesis test. Find the: z p-value Decision Critical value Decision regarding Null from above regarding Null − 1.25 __.2112 __ __ retain __ __ ±1.96 _ __ retain __ 2.34 __ .0192 __ __ reject __ __ ±1.96 _ __ reject __ − .77 __.4412 __ __ retain __ __ ±1.96 _ __ retain __ 1.52 ___. 1286 __ __ retain __ __ ±1.96 _ __ retain __ − 1.52 ___. 1286 __ __ retain __ __ ±1.96 _ __ retain __...
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