Chapter 13

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Name: Class: Please be brief with your answers Chapter : 13 Question Note: you may not need all of the variables below for every problem 2 The similarities between the f-ratio and the t statistic are they both use sample data to draw conclusions about a populaion, the denominators measure the same things, and they provide the same basic informaion. 4 ANOVA should be used because it requires less testing and the fewer times a test is run less possible it is to make a type I error. 6 a 28 b 122.5 7 Source SS df MS F Between trt 70 2 35 17.5 Reject? Within trt 24 12 2 3.88 Yes Total 94 14 8 a I think that it will lessen the value of f and increase the values of the critical regions. b Source SS df MS F Between trt 10 2 5 2.92 Reject? Within trt 24 14 1.71 3.74 No Total 34 16 9 Source SS df MS F Between trt 8 2 4 1.00 Reject? Within trt 36 9 4.00 4.26 No Total 44 11 10 a Source SS df MS F Between trt 72 2 36 9.00 Reject? Within trt

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