X 13 10 8 9 6 SX 2 Question 5 options 268 46 450 2116 268

X : 13, 10, 8, 9, 6

(SX) ² =

Question 5 options:

26.8

46

450

2116

	26.8
	46
	450
	2116

First find the mean of all xs

Sum of all x = 46

Number = 5

Mean = 46/5 =9.2

Hence sum of all x^2 = 450

Option 3.

	x	x^2	x-x bar)^2

	13	169	14.44
	10	100	0.64
	8	64	1.44
	9	81	0.04
	6	36	10.24

Total	46	450	26.8

Mean	9.2		5.36	Var

X : 13, 10, 8, 9, 6 (SX) 2 = Question 5 options: 26.8 46 450 2116 26.8 46 450 2116 SolutionFirst find the mean of all xs Sum of all x = 46 Number = 5 Mean = 46/

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