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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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miks miks
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4 years ago
Two researchers are comparing a blood pressure reducing drug with a two-sided alternative hypothesis. Their test statistics show that the following z values: z1 = 1.87 and z2 = −2.45. Which one of these have the smaller p-value and why?

▸ z2 = −2.45 because the bigger z-value has a bigger area between −2.45 and 2.45.

▸ z1 = −1.87 because the area between −1.87 and 1.87 is smaller.

▸ z2 = −2.45 because the z-value indicates almost two and a half standard deviations away from the
mean with the remaining areas smaller than 1.87.

▸ z1 = 1.87 value because it is closer to the mean.
Textbook 
Introductory Statistics: Exploring the World Through Data

Introductory Statistics: Exploring the World Through Data


Edition: 2nd
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jrhome1985!jrhome1985!
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