a. Compute the row totals, the column totals, and the grand total. b. Construct the corresponding table of expected frequencies. c. Compute the value of the chi-square statistic.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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9. For the given table of observed frequencies:
15
10
12
3
11
11
6.
14
12
a. Compute the row totals, the column totals, and the grand total.
b. Construct the corresponding table of expected frequencies.
c. Compute the value of the chi-square statistic.
d. How many degrees of freedom are there?
e. If appropriate perform a test of independence, using the x=0.05 level of significance. If not
appropriate, explain why.
Transcribed Image Text:9. For the given table of observed frequencies: 15 10 12 3 11 11 6. 14 12 a. Compute the row totals, the column totals, and the grand total. b. Construct the corresponding table of expected frequencies. c. Compute the value of the chi-square statistic. d. How many degrees of freedom are there? e. If appropriate perform a test of independence, using the x=0.05 level of significance. If not appropriate, explain why.
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