65 + 68 + 76 + 84 + 88 + 88 + 89 + 90 + 92 + 93 = 833
56, 57, 64, 65, 66, 75, 76 Mean: 65 and 4/7 Median: 65 Mode: There is no mode. Range: 20
The mean (average) of these numbers is 70.53 to two decimal places. (The final digit is a repeating 3)
76 multiplied by 84 is 6,384.
4, 12, 20, 28, 36, 44, 52, 60, 68, 76, 84, 92, 100
21
The average of 65 and 55 and 84 is 68
420
84
For 72 68 64 90 80 84 78 75 76 77: σ=7.4863
62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88.60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90
It is: (76+83)/2 = 79.5
56, 57, 64, 65, 66, 75, 76 Mean: 65 and 4/7 Median: 65 Mode: There is no mode. Range: 20
28
135
75.5 approx.75.5 approx.75.5 approx.75.5 approx.
They are: 62 63 64 65 66 68 69 70 72 74 75 76 77 78 80 81 82 84 85 86 87 88.
62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88.