The director of the advertising section in a large newspaper is studying the relationship between the Community type in which a subscriber resides and the section of the newspaper he reads first. A sample of readers is collected and the results are shown below Community Type Section Read New Spor Com S ts ics Total City 171 100 89 360 2.30 0.59 1.22 Chi_sq 13 26 67 Suburb 121 111 99 331 2.68 1.30 0.48 Chi_sq 99 48 7 Rural 131 89 90 310 0.00 Chi_sq 39 Total 423 300 278 1001 the test statistic is 4.473 8.602 4.834 9.488 8.955
The director of the advertising section in a large newspaper is studying the relationship between the Community type in which a subscriber resides and the section of the newspaper he reads first. A sample of readers is collected and the results are shown below Community Type Section Read New Spor Com S ts ics Total City 171 100 89 360 2.30 0.59 1.22 Chi_sq 13 26 67 Suburb 121 111 99 331 2.68 1.30 0.48 Chi_sq 99 48 7 Rural 131 89 90 310 0.00 Chi_sq 39 Total 423 300 278 1001 the test statistic is 4.473 8.602 4.834 9.488 8.955
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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