9. A statistician employed by a television rating service wanted to determine if there were differences in television viewing habits among three different cities in California. She took a random sample of five adults in each of the cities and asked each to report the number of hours spent watching television in the previous week. The results are shown below. Hours Spent Watching Television San Diego Los Angeles San Francisco 25 28 23 31 33 18 18 35 21 23 29 17 27 36 15 a) Set up the ANOVA Table. Use a = 0.05 to determine the critical value. b) Can she infer at the 5% significance level that differences in hours of television watching exist among the three cities (i.e. Perform the Hypothesis testing)? c) Apply Fisher's LSD method and also Tukey's method to determine which cities in California will differ in TV viewing habits.
9. A statistician employed by a television rating service wanted to determine if there were differences in television viewing habits among three different cities in California. She took a random sample of five adults in each of the cities and asked each to report the number of hours spent watching television in the previous week. The results are shown below. Hours Spent Watching Television San Diego Los Angeles San Francisco 25 28 23 31 33 18 18 35 21 23 29 17 27 36 15 a) Set up the ANOVA Table. Use a = 0.05 to determine the critical value. b) Can she infer at the 5% significance level that differences in hours of television watching exist among the three cities (i.e. Perform the Hypothesis testing)? c) Apply Fisher's LSD method and also Tukey's method to determine which cities in California will differ in TV viewing habits.
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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