A Health Psychologist Was Interested in Women's Weight-Reduction Strategies

Essay

A health psychologist was interested in women's weight-reduction strategies.Of the 56 participants surveyed,22 preferred running,8 preferred swimming,15 preferred dancing,and 11 preferred some other activity.Using the .05 significance level,do the results suggest that people prefer different weight-reduction strategies in general?
a.Use the five steps of hypothesis testing.
b.Sketch the chi-square distribution.Be sure your sketch gives a rough indication of its shape and shows the cutoff score and the sample's score.
c.Explain the logic of what you have done to a person who is familiar with the logic and steps of hypothesis testing for the t test and analysis of variance,but who knows nothing about chi-square tests.Be sure your explanation includes the logic of figuring the chi-square statistic,determining the degrees of freedom,describing the shape of the chi-square distribution,and using the chi-square table.