Multiple Choice
In a statistic class, 10 scores were randomly selected with the following results were obtained (mean = 71.5) :
74, 73, 77, 77, 71, 68, 65, 77, 67, 66
-What is the variance?
A) 22.72
B) 12.00
C) 4.77
D) 516.20
E) 144.00
Correct Answer:

Verified
Correct Answer:
Verified
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