Refer to Exercise 10.22.
a. Convert the responses to percentages by calculating the percentage of each B class total falling into each A classification.
b. Calculate the percentage of the total number of responses that constitute each of the A classification totals.
c. Create a bar graph with row A1 percentage on the vertical axis and B classification on the horizontal axis. Does the graph support the result of the test of hypothesis in Exercise 10.22? Explain.
d. Repeat part c for the row A2 percentages.
e. Repeat part c for the row A3 percentages.
Exercise 10.22
Test the null hypothesis of independence of the two classifications, A and B, in the 3 
 3 contingency table shown below. Test using a = .05.
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