The following are the numbers of words per minute that a secretary typed on several occasions on

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The following are the numbers of words per minute that a secretary typed on several occasions on four different typewriters:

Use the computing formulas of Exercise 15.4 to calculate the sums of squares required to test at the 0.05 level of significance whether the differences among the four sample means can be attributed to chance.

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John E Freunds Mathematical Statistics With Applications

ISBN: 9780134995373

8th Edition

Authors: Irwin Miller, Marylees Miller

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Question Posted: Nov 04, 2015 04:10 AM

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The following are the numbers of words per minute that a secretary typed on several occasions on

Question:

Typewriter C: 71,75, 69, 77, 61, 72, 71,78 Typewiter D 68,71, 74, 66, 69, 67, 70, 62 Typewriter E: 75, 70,81, 73, 78, 72 Typewriter F 62,59, 71, 68, 63,65, 72, 60, 64

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Differences cannot be attributed to chance a 4 n 8 n 8 n...View the full answer

John E Freunds Mathematical Statistics With Applications

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