Question 13 4 pts A media company suspects that where people look for news is di

Question

Question 13 4 pts A media company suspects that where people look for news is different for various age groups. A study was conducted and found where various age groups get their news. The results are: Media Local TV National TV Radio Local Newspaper Internet Under 36 107 73 75 52 95 Age Group 36-50 119 102 97 79 83 Over 50 133 127 109 107 76 In calculating the chi-square test statistic to determine if age and news source are independent, what is the expected frequency for Age Group 36-50 who get their news from Radio? Include 2 decimal places in your answe

Explanation / Answer

Expected frequency for age group 36 - 50 who get their news from Radio

= (Row Total * Column Total)/(Grand Total)

= ((75 + 97 +109)*(119 + 102 + 97 + 79 + 83)) / (107 + 119 + 133 + 73 + 102 + 127 + 75 + 97 + 109 + 52 + 79 + 107 + 95 +83 + 76)

= 94.06

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