3. b. Find and show the mean and standard deviation of x on the graph. (20...

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

x = 19, 30, 40 ,29 ,22

$T 28$
$S- 8.1547$

$z = rac{x - overline{x}}{S}$

Thus, we have,

x	19	30	40	29	22
z	-1.1034	0.2452	1.4715	0.1226	-0.7357

2 0 1

mean of z = 0

sd of z =1

Answer 2

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