A tea company appoints four salesmen A, B, C and D and observes their sales in three months, April, May and June: Months Salesmen A B CD April36 36 2135May28 29 3132June26 28 2929 Prepare a two – way analysis of variance tableName the blocking variable and the treatment in this experiment.Test at the 5% level of significance the null hypothesis that there is significant difference in sales made by the four salesmen Test at the 5% level of significance the null hypothesis that there is significant difference in the sales made during different months.

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ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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A tea company appoints four salesmen A, B, C and D and observes their sales in three months, April, May and June:

Months			Salesmen

	A	B		C	D

April	36	36		21	35
May	28	29		31	32
June	26	28		29	29

Prepare a two – way analysis of variance table
Name the blocking variable and the treatment in this experiment.
Test at the 5% level of significance the null hypothesis that there is significant difference in sales made by the four salesmen
Test at the 5% level of significance the null hypothesis that there is significant difference in the sales made during different months.

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