Solution Found!
The following table contains observed values and expected
Chapter , Problem 3AYU(choose chapter or problem)
The following table contains observed values and expected values in parentheses for two categorical variables, X and Y, where variable X has three categories and variable Y has two categories
(a) Compute the value of the chi-square test statistic.
(b) Test the hypothesis that X and Y are independent at the \(\alpha=0.05\) level of significance.
Questions & Answers
QUESTION:
The following table contains observed values and expected values in parentheses for two categorical variables, X and Y, where variable X has three categories and variable Y has two categories
(a) Compute the value of the chi-square test statistic.
(b) Test the hypothesis that X and Y are independent at the \(\alpha=0.05\) level of significance.
ANSWER:Step 1 of 4:
We have The following table contains observed values and expected values in parentheses for two categorical variables, X and Y, where variable X has three categories and variable Y has two categories.
|
X1 |
X2 |
X3 |
Y1 |
34 (36.26) |
43 (44.63) |
52 (48.11) |
Y2 |
18 (15.74) |
21 (19.37) |
17 (20.89) |