Cost (in $) of 8 electronic chips are given below: $16, $16, $18, $19, $19, $21, $21, $22 (a) Find the mean cost of the

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Cost In Of 8 Electronic Chips Are Given Below 16 16 18 19 19 21 21 22 A Find The Mean Cost Of The 1 (25.54 KiB) Viewed 35 times

Cost (in $) of 8 electronic chips are given below: $16, $16, $18, $19, $19, $21, $21, $22 (a) Find the mean cost of the chips: Answer=$ (b) Complete the following table to find the variance and standard deviation; x x-mean (x-mean)2 $16 $16 $18 $19 $19 $21 $21 $22 Total (c) Use Answers Σ(x-mean)2 N (d) Use Answer= to find the variance of the values. (correct to one decimal). (Σ (x-mean)2) N to find the standard deviation (correct to 2 decimals) of the values. (correct to two decimals). (