BUSINESS FORECASTING., Basic Statistics

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a) What is analysis of variance? What are the assumptions of this technique?
b) Three samples below have been obtained from normal populations with equal variances. Test the hypothesis at 5% level that the population means are equal.
A
B
C
8
7
12
10
5
9
7
10
13
14
9
12
11
9
14
[The table value of F at 5% level of significance for ?1 = 2 and ?2 = 12 is 3.88]
a) Meaning and Assumptions
b) Formulas/Calculation/Solution to the problemn #Minimum 100 words accepted#

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