Two researchers are comparing a blood pressure reducing drug with a two-sided al

Question

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? O 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. O z1--1.87 because the area between -1.87 and 1.87 is smaller. Oz2-2.45 because the bigger z-value has a bigger area between -2.45 and 2.45. Oz1-1.87 value because it is closer to the mean.

Explanation / Answer

z = -2.45 is more extreme because the area left is lesser than in case of z = 1.87

Option A is correct.

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