Convert the responses to percentages by calculating the percentage of each B class total falling into each A classification. Also, calculate the percentage of the total number of responses that constitute each of the A classification totals.
a. 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? Explain.
b. Repeat part a for the row A2 percentages.
c. Repeat part a for the row A3 percentages.
Test the null hypothesis of independence of the two classifications A and B of the 3 × 3 contingency table shown here. Use α = .05.
|
|
| B |
|
|
| B1 | B2 | B3 |
| A1 | 40 | 72 | 42 |
A | A2 | 63 | 53 | 70 |
| A3 | 31 | 38 | 30 |
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