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The popularity of computer, video, online, and virtual reality games has raised concerns about their ability to negatively impact youth. Based on a recent survey, 1808 fourteen- to eighteen-year-olds in Connecticut high schools were classified by their average grades and by whether they had or had not played such games. The following table summarizes the findings. The observed and expected counts are given side by side. Observed Expected A's and B's C's D's and F's A's and B's C's D's and F's Played games 736 450 193 717.7 453.1 208.2 Never played games 205 144 80 223.3 140.9 64.8 Find the chi-square statistic, X?. (Use decimal notation. Give your answer to two decimal places.) x? =

The popularity of computer, video, online, and virtual reality games has raised concerns about their ability to negatively impact youth. Based on a recent survey, 1808 fourteen- to eighteen-year-olds in Connecticut high schools were classified by their average grades and by whether they had or had not played such games. The following table summarizes the findings. The observed and expected counts are given side by side. Observed Expected A's and B's C's D's and F's A's and B's C's D's and F's Played games 736 450 193 717.7 453.1 208.2 Never played games 205 144 80 223.3 140.9 64.8 Find the chi-square statistic, X?. (Use decimal notation. Give your answer to two decimal places.) x? =

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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The popularity of computer, video, online, and virtual reality games has raised concerns about their ability to negatively impact youth. Based on a recent survey, 1808 fourteen- to eighteen-year-olds in Connecticut high schools were classified by their average grades and by whether they had or had not played such games. The following table summarizes the findings. The observed and expected counts are given side by side. Observed Expected A's and B's C's D's and F's A's and B's C's D's and F's Played games 736 450 193 717.7 453.1 208.2 Never played games 205 144 80 223.3 140.9 64.8 Find the chi-square statistic, X² . (Use decimal notation. Give your answer to two decimal places.) x? : II
Transcribed Image Text:The popularity of computer, video, online, and virtual reality games has raised concerns about their ability to negatively impact youth. Based on a recent survey, 1808 fourteen- to eighteen-year-olds in Connecticut high schools were classified by their average grades and by whether they had or had not played such games. The following table summarizes the findings. The observed and expected counts are given side by side. Observed Expected A's and B's C's D's and F's A's and B's C's D's and F's Played games 736 450 193 717.7 453.1 208.2 Never played games 205 144 80 223.3 140.9 64.8 Find the chi-square statistic, X² . (Use decimal notation. Give your answer to two decimal places.) x? : II
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