Question: Calculate the variance and standard deviation for samples for which a. n = 10, ax2 = 84, ax = 20 b. n = 40, ax2

Calculate the variance and standard deviation for samples for which

a. n = 10, ax2

= 84, ax = 20

b. n = 40, ax2

= 380, ax = 100

c. n = 20, ax2

= 18, ax = 17

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