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You want to determine (at the 0.05 level of significance) whether the media that people turn to for news is different for various age groups Age Group Total Under 36 36 - 50 More than 50 Media TV 107 119 133 359 Radio 75 97 109 281 Local newspaper 52 79 107 238 National newspaper 73 102 127 302 Internet 95 83 76 254 Total 402 480 552 1434 a) State the hypotheses. b) Find the critical value at the 5% significance level (rounded off to four decimals). c) Calculate the value of the Chi-square test (rounded off to two decimals). d) State the conclusion at the 5% significance level

You want to determine (at the 0.05 level of significance) whether the media that people turn to for news is different for various age groups Age Group Total Under 36 36 - 50 More than 50 Media TV 107 119 133 359 Radio 75 97 109 281 Local newspaper 52 79 107 238 National newspaper 73 102 127 302 Internet 95 83 76 254 Total 402 480 552 1434 a) State the hypotheses. b) Find the critical value at the 5% significance level (rounded off to four decimals). c) Calculate the value of the Chi-square test (rounded off to two decimals). d) State the conclusion at the 5% significance level

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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You want to determine (at the 0.05 level of significance) whether the media that people turn to for news is different for various age groups
Age Group
Total
Under 36
36 - 50
More than 50
Media
TV
107
119
133
359
Radio
75
97
109
281
Local newspaper
52
79
107
238
National newspaper
73
102
127
302
Internet
95
83
76
254
Total
402
480
552
1434
a) State the hypotheses.
b) Find the critical value at the 5% significance level (rounded off to four decimals).
c) Calculate the value of the Chi-square test (rounded off to two decimals).
d) State the conclusion at the 5% significance level

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