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 What is the t-value? 3.62

          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

What is the t-value?

3.62

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

What is the t-value?

3.62

Added by Anthony H.

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