A. What is the response variable and what is the factor?
b. How many levels of the factor are being studied?
c. Is there any difference in the average amount of fluid the diaper can hold using the 3 different filler materials? Is so, which ones are different?
d. What is your recommendation to the company and why?
a. Set up a table that compares the expected and observed frequencies for each group.
b. Based on the table, do you think that the data represent the estimated distributions?
c. Set up the hypotheses for the chi-square goodness of fit test.
d. Perform the goodness of fit test at the 0.05 level of significance.
a. Based on the data, do you think that the respondents are uniformly distributed over the age categories?
b. Set up the hypotheses to test whether the data are uniformly distributed over the age categories.
c. Find the expected frequency distribution and perform the chi-square goodness of fit test.
d. At the 0.05 level of significance, would you say that the respondents were uniformly distributed over the age groups?
The solution answers the question(s) below.