A clever undergraduate, Grace N. Poise, hypothesizes that people under 30 are mo

Question

A clever undergraduate, Grace N. Poise, hypothesizes that people under 30 are more humorous than people over 30. She tests this hypothesis by randomly selecting 4 people over 30 from the telephone book and 4 people under 30 from university registration lists. She gives each research participant the Humorous Speech Scale, which measures humor on a Likert-type scale from 1 to 10. The scores are listed below.

         People Under 30                              People Over 30

                     6                                                      5

                    7                                                       6

                   10                                                      2

                    9                                                       3

which is the research hypothesis.

Explanation / Answer

A research questionis the question that the research project sets out to answer. Here claim is that people under 30 are more humorous than people over 30.

Hence research hypothesis is µ1>µ2

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