c. Find the mean and standard deviation for Amount Charged Table C4-2: Volume, F

Question

c. Find the mean and standard deviation for Amount Charged

Table C4-2: Volume, Frequency, and Charge for Wholesale Nets Sold

Volume Sold

Frequency

Amount Charged

1

20

$3.00

2

38

$6.00

3

53

$9.00

4

45

$12.00

5

40

$14.00

6

13

$16.00

7

5

$18.00

8

36

$20.00

.

c. Find the mean and standard deviation for Amount Charged

Table C4-2: Volume, Frequency, and Charge for Wholesale Nets Sold

Volume Sold

Frequency

Amount Charged

1

20

$3.00

2

38

$6.00

3

53

$9.00

4

45

$12.00

5

40

$14.00

6

13

$16.00

7

5

$18.00

8

36

$20.00

Explanation / Answer

Ans:

Mean=2883/250=11.53

Standard deviation=sqrt(6262.24/250)=5.00

Volume Sold Frequency(f) Amount Charged(x) x*f (x-11.532)^2*f 1 20 3 60 1455.90 2 38 6 228 1162.91 3 53 9 477 339.78 4 45 12 540 9.86 5 40 14 560 243.64 6 13 16 208 259.52 7 5 18 90 209.18 8 36 20 720 2581.45 Total= 250 2883 6262.24 Mean= 11.532 5.00 std dev.

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