Using the following table, compute the expected frequency of each cell, and compute the chi-square statistic. | ||||
X | Y | Z | Total | |
A | 20 | 30 | 25 | 75 |
B | 30 | 20 | 25 | 75 |
Total | 50 | 50 | 50 | 150 |
The statistical software output for this problem is :
Contingency table results:
Rows: var3
Columns: None
Cell format |
---|
Count (Expected count) |
X | Y | Z | Total | |
---|---|---|---|---|
A | 20 (25) |
30 (25) |
25 (25) |
75 |
B | 30 (25) |
20 (25) |
25 (25) |
75 |
Total | 50 | 50 | 50 | 150 |
Chi Square test:
Statistic | DF | Value | P-value |
---|---|---|---|
Chi-square | 2 | 4 | 0.1353 |
chi-square statistic = 4
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