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Using the following table, compute the expected frequency of each cell, and compute the chi-square statistic....

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
math   Statistics-And-Probability   
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Answer #1

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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