A dietician wants to see if there is any difference in the effectiveness of three diets. Eighteen people, comprising a sample, were randomly assigned to the three diets. Below you are given the total amount of weight lost in a month by each person.
a.State the null and alternative hypotheses.
b.Calculate the test statistic.
c.What would you advise the dietician about the effectiveness of the three diets? Use a .05 level of significance.

Question

A dietician wants to see if there is any difference in the effectiveness of three diets. Eighteen people, comprising a sample, were randomly assigned to the three diets. Below you are given the total amount of weight lost in a month by each person.  
a.State the null and alternative hypotheses.
b.Calculate the test statistic.
c.What would you advise the dietician about the effectiveness of the three diets? Use a .05 level of significance.

Quizplus · Accepted Answer

The Answer of A dietician wants to see if there is any difference in the effectiveness of three diets. Eighteen people, comprising a sample, were randomly assigned to the three diets. Below you are given the total amount of weight lost in a month by each person.  
a.State the null and alternative hypotheses.
b.Calculate the test statistic.
c.What would you advise the dietician about the effectiveness of the three diets? Use a .05 level of significance.

A Dietician Wants to See If There Is Any Difference