For a chi-square test, it is typically recommended that the minimum number of pa

Question

For a chi-square test, it is typically recommended that the minimum number of participants be:

a. 12

b. three times the number of cells

c. 14

d. five times the number of cells

_____________________________________________________________________________________________

Does a person's letter grade in statistics depend on whether he or she is a member of a Greek organization? In three statistics classes, data is collected on the letter grades of students belonging to Greek organizations and of students who are not members. Which technique should be used to analyze the data?

a. independent-samples t test

b. paired-samples t test

c. Wilcoxon signed-rank test

d. Mann-Whitney U test

__________________________________________________________________________________________

Degrees of freedom for the chi-square test for independence is determined by:

a. subtracting 1 from the number of cells there are (k – 1).

b. subtracting 1 from the number of participants that there are (N – 1).

c. subtracting 2 from the number of cells there are (k – 2).

d. multiplying the number of rows minus 1 times the number of columns minus 1.

Explanation / Answer

Solution:-

1) d. five times the number of cells.

It is recommended that the the observed value in the cell in chi square test should be atleast 5, so total number of participants should be atleast 5 times number of cells.

2) Chi square test for independence.

3) d. multiplying the number of rows minus 1 times the number of columns minus 1.

Degrees of freedom for the chi-square test for independence is determined by

D.F = (r - 1) (c - 1)

Related Questions

Navigate

• Browse (All)
• Browse F
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.