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A 7 12.4 6 12.4 B 16 C 7 D 14 14 B 12.4 b 12.4 12.4 ليا E 18 S >> من a. Complete the table by calculating the expected frequencies. b. What is the chi-square test statistic? Round to three decimal places. x² =1 c. What are the degrees of freedom? d.f.- 4

A 7 12.4 6 12.4 B 16 C 7 D 14 14 B 12.4 b 12.4 12.4 ليا E 18 S >> من a. Complete the table by calculating the expected frequencies. b. What is the chi-square test statistic? Round to three decimal places. x² =1 c. What are the degrees of freedom? d.f.- 4

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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Given the 5 categories in the table below, test the claim that the categories are equally likely to be selected at a a 0.05 significance level. Observed Expected Category Frequency Frequency 12.4 A B 12.4 16 16 12.4 C 7 > B 12.4 D 14 ليا 12.4 18 8 a. Complete the table by calculating the expected frequencies. b. What is the chi-square test statistic? Round to three decimal places. = c. What are the degrees of freedom? d.f.= 4 d. What is the p-value for this sample? Round to four decimal places. p-value = e. Is the p-value less than a? No f. Make a decision. Fail to reject the null く می g. Make a conclusion. 8 O There is sufficient evidence to warrant rejection of the claim that all 5 categories are equally likely to be selected. There is not sufficient evidence to warrant rejection of the claim that all 5 categories are equally likely to be selected. O The sample data support the claim that all 5 categories are equally likely to be selected. O There is not sufficient sample evidence to support the claim that all 5 categories are equally likely to be selected.
Transcribed Image Text:Given the 5 categories in the table below, test the claim that the categories are equally likely to be selected at a a 0.05 significance level. Observed Expected Category Frequency Frequency 12.4 A B 12.4 16 16 12.4 C 7 > B 12.4 D 14 ليا 12.4 18 8 a. Complete the table by calculating the expected frequencies. b. What is the chi-square test statistic? Round to three decimal places. = c. What are the degrees of freedom? d.f.= 4 d. What is the p-value for this sample? Round to four decimal places. p-value = e. Is the p-value less than a? No f. Make a decision. Fail to reject the null く می g. Make a conclusion. 8 O There is sufficient evidence to warrant rejection of the claim that all 5 categories are equally likely to be selected. There is not sufficient evidence to warrant rejection of the claim that all 5 categories are equally likely to be selected. O The sample data support the claim that all 5 categories are equally likely to be selected. O There is not sufficient sample evidence to support the claim that all 5 categories are equally likely to be selected.
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