Calculate the mean, variance and standard deviation for the following frequency
distribution, and hence obtain the value of co-efficient of variation.
Size (x) : 0 1 2 3 4 5 6 7 8
Frequency (f): 1 8 28 56 70 56 28 8 1
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Answer:
you need to factor the coefficients factor to obtain the value
Step-by-step explanation:
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