MEASURES OF VARIABILITY Class Interval 65-69 70-74 75-79 80-84 85-89 90-94 95-99 =? f 2 8 =? 10 9 7 2 2 Range= HCB-LCB n= X fx X Mean Deviation= { flx-x| n =? Variance= [ f(x-x)^2 n (X-X) Ix-x| flx-x| (x-x)^2 f(x-x)^2 Standard Deviation=✔ V =?

Q: (iv.) Determine the population of fish in the lake at the end of the fourth year? (c) Evaluate

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