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use at least one social media site, broken down by age, is based on data reported by Pew as of February 2019. The expected counts are given below the observed counts. The contribution to the chi-square statistic is given below the expected count. Use Social Media Age 18-29 Age 30-49 Age 50-64 Age 65+ Yes 212 160.761 16.33 324 269.07 11.21 293 288.82 0.06 156 266.35 45.72 No 24 75.24 35.89 71 125.93 23.96 131 135.18 0.13 235 124.66 97.68 Compute the chi-square statistic X² for this two- way table. Give your answer to two decimal places.

use at least one social media site, broken down by age, is based on data reported by Pew as of February 2019. The expected counts are given below the observed counts. The contribution to the chi-square statistic is given below the expected count. Use Social Media Age 18-29 Age 30-49 Age 50-64 Age 65+ Yes 212 160.761 16.33 324 269.07 11.21 293 288.82 0.06 156 266.35 45.72 No 24 75.24 35.89 71 125.93 23.96 131 135.18 0.13 235 124.66 97.68 Compute the chi-square statistic X² for this two- way table. Give your answer to two decimal places.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The Pew Research Center conducts an annual Internet Project, which includes research related to social networking. The following two-way table about the percentage of U.S. adults surveyed who use at least one social media site, broken down by age, is based on data reported by Pew as of February 2019. The expected counts are given below the observed counts. The contribution to the chi-square statistic is given below the expected count. Use Social Media Age 18-29 Age 30-49 Age 50-64 Age 65+ Yes 212 160.761 16.33 324 269.07 11.21 293 288.82 0.06 156 266.35 45.72 No 24 75.24 35.89 71 125.93 23.96 131 135.18 0.13 235 124.66 97.68 Compute the chi-square statistic X² for this two- way table. Give your answer to two decimal places.
Transcribed Image Text:The Pew Research Center conducts an annual Internet Project, which includes research related to social networking. The following two-way table about the percentage of U.S. adults surveyed who use at least one social media site, broken down by age, is based on data reported by Pew as of February 2019. The expected counts are given below the observed counts. The contribution to the chi-square statistic is given below the expected count. Use Social Media Age 18-29 Age 30-49 Age 50-64 Age 65+ Yes 212 160.761 16.33 324 269.07 11.21 293 288.82 0.06 156 266.35 45.72 No 24 75.24 35.89 71 125.93 23.96 131 135.18 0.13 235 124.66 97.68 Compute the chi-square statistic X² for this two- way table. Give your answer to two decimal places.
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