18. The standard deviation of 10, 16, 10, 16, 10, 10, 16, 16 is
(2) 4
(b) 6
(c) 3
(d) 0.
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Answer:
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Step-by-step explanation:
Occurance(X) Freq(f) Freq*X (X-mean) (X-mean)2 f*(X-mean)2
10 4 40 -3 9 36
16 4 64 3 9 36
Total = 8 104 72
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