Suppose a marketing research firm would like to examine if the social networking site that a person primarily uses is influenced by his or her age. In a randomly drawn sample, 346 social network users were asked which site they primarily visited. These data are presented in the following table along with each person's age group. Social Networking Site Age Group Site A Site B Site C 2–17 28 15 2 18–34 100 25 11 35–54 96 16 16 55+ 27 4 6 chi-square test statistic = 8.36 Find the chi-square critical value, χ2α.

Suppose a marketing research firm would like to examine if the social networking site that a person primarily uses is influenced by his or her age. In a randomly drawn sample, 346 social network users were asked which site they primarily visited. These data are presented in the following table along with each person's age group. Social Networking Site Age Group Site A Site B Site C 2–17 28 15 2 18–34 100 25 11 35–54 96 16 16 55+ 27 4 6 chi-square test statistic = 8.36 Find the chi-square critical value, χ2α.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 21PPS

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Question

Age Group	Site A	Site B	Site C
		Social Networking Site
2–17	28	15	2
18–34	100	25	11
35–54	96	16	16
55+	27	4	6

chi-square test statistic = 8.36

Find the chi-square critical value, χ2α.

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