(Answered) 1 what is sampling briefly explain the various methods of

Statistics

1. What is sampling? Briefly explain the various methods of sampling.

2. A company appoints four salesmen, A, B, C and D, and observes their sales in three seasons- summer, winter and monsoon. The figures ( in lakhs) are given in the following table:

Season					Salesman
A		B		C		D		Total
Summer	36		36		21		35		128
Winter	28		29		31		32		120
Monsoon	26		28		29		29		112
Total	90		93		81		96		360

Carry out an analysis of variance at 5% level of significance.

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