QUESTION 15 Determine the critical value of the test statistic, Chi-Square, that
ID: 3265509 • Letter: Q
Question
QUESTION 15
Determine the critical value of the test statistic, Chi-Square, that would be used for a 5 by 4 contingency table, assuming the level of significance (alpha) to be used is 0.04. Enter your response to three decimals and determine it using Excel's CHIINV function.
QUESTION 16
The director of distance education is interested in examining whether there is a relationship between gender and course delivery method. Assume a sample of course enrollments were selected from which the following contingency table (cross-tabulation) was created
Female
Male
Distance
60
40
Traditional
190
198
Using this information, calculate the expected frequency for the number of traditional enrollments by males and enter your response to three decimal places (i.e. 4.321).
QUESTION 17
The director of distance education is interested in examining whether there is a relationship between gender and course delivery method. Assume a sample of course enrollments were selected from which the following contingency table (cross-tabulation) was created
Female
Male
Distance
79
143
Traditional
118
77
Using this information, determine the calculated value of the test-statistic Chi-square and enter it to two decimals (i.e. 12.12).
Female
Male
Distance
60
40
Traditional
190
198
Explanation / Answer
Solution:-
15)
Degree of freedom = (r - 1)(c - 1)
Degree of freedom = 4 × 3
D.F = 12
Significance value = alpha = 0.04.
By using Excel's CHIINV function.
X2 = 21.785
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