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You want to know whether people who power-pose feel more confident than those who don't. To...

You want to know whether people who power-pose feel more confident than those who don't. To answer this question, you ask 50 people to power-pose, then rate how confident they are (from 0 to 11) where higher is more. You also ask 50 other randomly picked individuals to rate how confident they are without power-posing. This data is in the file "power_posing.txt". The first column represents the confidence ratings, the second column whether they power-posed (1) or not (0).
What is the right test to run to test this hypothesis?

  • A. ANOVA
  • B. Kolmogorov-Smirnov test
  • C. Wald-Wolfowitz test
  • D. Chi square test
  • E. t-test
math   Statistics-And-Probability   
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Answer #1

The correct answer is " B = Kolmogorov - Smirnov test "

● Kolmogorov-Smirnov test is used to decide if a sample comes from a population with a specific distribution.

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