Computing the Arithmetic Mean (AM): Simple Examples



Example 1: Compute the Arithmetic mean (or Average) of 2 given numbers: -15, -3
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-15 + -3)/2
= -18/2 = -9.0

Example 2: Compute the Arithmetic mean (or Average) of 3 given numbers: -10, 5, 14
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-10 + 5 + 14)/3
= 9/3 = 3.0

Example 3: Compute the Arithmetic mean (or Average) of 4 given numbers: -8, -5, -7, -12
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-8 + -5 + -7 + -12)/4
= -32/4 = -8.0

Example 4: Compute the Arithmetic mean (or Average) of 5 given numbers: 5, -7, -6, -9, -7
Arithmetic mean = (Sum of elements) divided by (number of elements) = (5 + -7 + -6 + -9 + -7)/5
= -24/5 = -4.8

Example 5: Compute the Arithmetic mean (or Average) of 6 given numbers: 11, 14, 12, 5, 9, 11
Arithmetic mean = (Sum of elements) divided by (number of elements) = (11 + 14 + 12 + 5 + 9 + 11)/6
= 62/6 = 10.333

Example 6: Compute the Arithmetic mean (or Average) of 7 given numbers: -15, 10, -12, -15, -1, -3, -8
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-15 + 10 + -12 + -15 + -1 + -3 + -8)/7
= -44/7 = -6.286

Example 7: Compute the Arithmetic mean (or Average) of 8 given numbers: 7, -8, -13, -4, -7, -10, -1, -14
Arithmetic mean = (Sum of elements) divided by (number of elements) = (7 + -8 + -13 + -4 + -7 + -10 + -1 + -14)/8
= -50/8 = -6.25

Example 8: Compute the Arithmetic mean (or Average) of 9 given numbers: -4, 13, -7, -12, 8, 5, 11, 2, -15
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-4 + 13 + -7 + -12 + 8 + 5 + 11 + 2 + -15)/9
= 1/9 = 0.111

Example 9: Compute the Arithmetic mean (or Average) of 10 given numbers: -15, -5, -7, 5, -12, -7, 8, -4, 7, -5
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-15 + -5 + -7 + 5 + -12 + -7 + 8 + -4 + 7 + -5)/10
= -35/10 = -3.5

Example 10: Compute the Arithmetic mean (or Average) of 11 given numbers: 6, 5, -11, -9, 9, 4, 5, 8, -2, 2, -10
Arithmetic mean = (Sum of elements) divided by (number of elements) = (6 + 5 + -11 + -9 + 9 + 4 + 5 + 8 + -2 + 2 + -10)/11
= 7/11 = 0.636

Example 11: Compute the Arithmetic mean (or Average) of 12 given numbers: -8, -9, -13, -6, 9, 10, -2, 13, -12, 2, 13, -8
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-8 + -9 + -13 + -6 + 9 + 10 + -2 + 13 + -12 + 2 + 13 + -8)/12
= -11/12 = -0.917

Example 12: Compute the Arithmetic mean (or Average) of 13 given numbers: 12, 7, 14, 5, 11, 2, 3, -8, -10, 1, 5, 12, 11
Arithmetic mean = (Sum of elements) divided by (number of elements) = (12 + 7 + 14 + 5 + 11 + 2 + 3 + -8 + -10 + 1 + 5 + 12 + 11)/13
= 65/13 = 5.0

Example 13: Compute the Arithmetic mean (or Average) of 14 given numbers: 14, 14, -7, 11, 10, -6, -7, 6, 11, 7, 5, -9, 7, -11
Arithmetic mean = (Sum of elements) divided by (number of elements) = (14 + 14 + -7 + 11 + 10 + -6 + -7 + 6 + 11 + 7 + 5 + -9 + 7 + -11)/14
= 45/14 = 3.214

Example 14: Compute the Arithmetic mean (or Average) of 15 given numbers: 13, -15, 1, 8, -15, 0, -5, -6, 4, 11, -15, 5, 1, 10, -9
Arithmetic mean = (Sum of elements) divided by (number of elements) = (13 + -15 + 1 + 8 + -15 + 0 + -5 + -6 + 4 + 11 + -15 + 5 + 1 + 10 + -9)/15
= -12/15 = -0.8

Example 15: Compute the Arithmetic mean (or Average) of 16 given numbers: -2, 8, -4, -13, -4, 3, -11, 2, -15, -10, 2, 4, -3, -6, -13, 6
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-2 + 8 + -4 + -13 + -4 + 3 + -11 + 2 + -15 + -10 + 2 + 4 + -3 + -6 + -13 + 6)/16
= -56/16 = -3.5

Example 16: Compute the Arithmetic mean (or Average) of 17 given numbers: -10, 12, 4, -12, -12, 1, 10, 11, 10, -11, 12, 1, 0, -12, 11, -12, -3
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-10 + 12 + 4 + -12 + -12 + 1 + 10 + 11 + 10 + -11 + 12 + 1 + 0 + -12 + 11 + -12 + -3)/17
= 0/17 = 0.0

Example 17: Compute the Arithmetic mean (or Average) of 18 given numbers: -14, -4, -11, -2, -12, -2, -9, -3, -2, -13, 9, 6, 1, 11, 5, -3, 8, -10
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-14 + -4 + -11 + -2 + -12 + -2 + -9 + -3 + -2 + -13 + 9 + 6 + 1 + 11 + 5 + -3 + 8 + -10)/18
= -45/18 = -2.5

Example 18: Compute the Arithmetic mean (or Average) of 19 given numbers: 1, 7, -14, -15, 9, 5, -9, -8, -2, 9, 4, 8, 5, -15, 1, 3, -1, 10, 2
Arithmetic mean = (Sum of elements) divided by (number of elements) = (1 + 7 + -14 + -15 + 9 + 5 + -9 + -8 + -2 + 9 + 4 + 8 + 5 + -15 + 1 + 3 + -1 + 10 + 2)/19
= 0/19 = 0.0

Example 19: Compute the Arithmetic mean (or Average) of 20 given numbers: -7, 13, -4, 10, -10, -9, -15, -8, 4, -1, 11, -5, 9, 8, 2, 10, -10, -1, 11, -14
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-7 + 13 + -4 + 10 + -10 + -9 + -15 + -8 + 4 + -1 + 11 + -5 + 9 + 8 + 2 + 10 + -10 + -1 + 11 + -14)/20
= -6/20 = -0.3

Example 20: Compute the Arithmetic mean (or Average) of 21 given numbers: 1, -13, -9, -11, -10, -10, 12, -2, -8, 2, -2, -4, 8, -13, -14, -11, 13, -4, 7, -3, -7
Arithmetic mean = (Sum of elements) divided by (number of elements) = (1 + -13 + -9 + -11 + -10 + -10 + 12 + -2 + -8 + 2 + -2 + -4 + 8 + -13 + -14 + -11 + 13 + -4 + 7 + -3 + -7)/21
= -78/21 = -3.714

Example 21: Compute the Arithmetic mean (or Average) of 22 given numbers: 2, -12, 8, -10, 14, 2, -5, 1, 3, -8, -13, 8, -7, -3, -9, -11, -6, 13, 6, -9, -10, -10
Arithmetic mean = (Sum of elements) divided by (number of elements) = (2 + -12 + 8 + -10 + 14 + 2 + -5 + 1 + 3 + -8 + -13 + 8 + -7 + -3 + -9 + -11 + -6 + 13 + 6 + -9 + -10 + -10)/22
= -56/22 = -2.545

Example 22: Compute the Arithmetic mean (or Average) of 23 given numbers: 3, 12, -5, 12, 9, 3, -6, 7, 4, 13, 8, -15, 5, 8, 1, 7, 3, 2, 0, -6, 11, 1, 14
Arithmetic mean = (Sum of elements) divided by (number of elements) = (3 + 12 + -5 + 12 + 9 + 3 + -6 + 7 + 4 + 13 + 8 + -15 + 5 + 8 + 1 + 7 + 3 + 2 + 0 + -6 + 11 + 1 + 14)/23
= 91/23 = 3.957

Example 23: Compute the Arithmetic mean (or Average) of 24 given numbers: -10, 1, 9, -7, -7, 10, 2, -1, 4, 3, 14, 8, -5, -15, -15, 13, 5, -15, -8, -12, -8, 1, 1, -2
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-10 + 1 + 9 + -7 + -7 + 10 + 2 + -1 + 4 + 3 + 14 + 8 + -5 + -15 + -15 + 13 + 5 + -15 + -8 + -12 + -8 + 1 + 1 + -2)/24
= -34/24 = -1.417

Example 24: Compute the Arithmetic mean (or Average) of 25 given numbers: 7, 9, 11, -2, -10, -7, 4, 0, -9, -15, -14, -6, 0, -13, -11, 9, 0, 10, 12, -4, -15, 3, 11, 4, -9
Arithmetic mean = (Sum of elements) divided by (number of elements) = (7 + 9 + 11 + -2 + -10 + -7 + 4 + 0 + -9 + -15 + -14 + -6 + 0 + -13 + -11 + 9 + 0 + 10 + 12 + -4 + -15 + 3 + 11 + 4 + -9)/25
= -35/25 = -1.4

Example 25: Compute the Arithmetic mean (or Average) of 26 given numbers: 9, -7, -9, -9, 14, -1, -15, 12, -14, 0, 3, 6, 9, -7, 1, -15, -14, 4, -14, 6, -12, 0, 2, 3, 9, -14
Arithmetic mean = (Sum of elements) divided by (number of elements) = (9 + -7 + -9 + -9 + 14 + -1 + -15 + 12 + -14 + 0 + 3 + 6 + 9 + -7 + 1 + -15 + -14 + 4 + -14 + 6 + -12 + 0 + 2 + 3 + 9 + -14)/26
= -53/26 = -2.038

Example 26: Compute the Arithmetic mean (or Average) of 27 given numbers: -5, -2, 14, -10, 13, 7, -2, 3, -10, -14, -1, 8, -15, 8, 9, -3, 3, 13, 11, 1, 9, -8, -14, 2, 1, 10, -10
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-5 + -2 + 14 + -10 + 13 + 7 + -2 + 3 + -10 + -14 + -1 + 8 + -15 + 8 + 9 + -3 + 3 + 13 + 11 + 1 + 9 + -8 + -14 + 2 + 1 + 10 + -10)/27
= 18/27 = 0.667

Example 27: Compute the Arithmetic mean (or Average) of 28 given numbers: -1, 11, -4, 4, 3, -11, 10, -14, -3, -3, 12, -4, -6, -7, -6, 9, 12, -11, 9, 1, 13, 2, -5, 1, -14, -14, 10, -1
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-1 + 11 + -4 + 4 + 3 + -11 + 10 + -14 + -3 + -3 + 12 + -4 + -6 + -7 + -6 + 9 + 12 + -11 + 9 + 1 + 13 + 2 + -5 + 1 + -14 + -14 + 10 + -1)/28
= -7/28 = -0.25

Example 28: Compute the Arithmetic mean (or Average) of 29 given numbers: -3, 4, -4, 8, -1, -10, 2, -15, -9, 14, 5, 5, 4, 14, -3, 10, -10, 3, -3, 8, -15, 11, 6, -13, -3, 7, 9, 8, 10
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-3 + 4 + -4 + 8 + -1 + -10 + 2 + -15 + -9 + 14 + 5 + 5 + 4 + 14 + -3 + 10 + -10 + 3 + -3 + 8 + -15 + 11 + 6 + -13 + -3 + 7 + 9 + 8 + 10)/29
= 39/29 = 1.345

Example 29: Compute the Arithmetic mean (or Average) of 30 given numbers: -2, 9, 9, -10, 2, 2, 3, -13, -7, -12, -4, 1, -2, 7, -15, -15, 3, -9, -2, 8, 1, 7, -13, 5, -1, 3, -4, 9, 13, 14
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-2 + 9 + 9 + -10 + 2 + 2 + 3 + -13 + -7 + -12 + -4 + 1 + -2 + 7 + -15 + -15 + 3 + -9 + -2 + 8 + 1 + 7 + -13 + 5 + -1 + 3 + -4 + 9 + 13 + 14)/30
= -13/30 = -0.433

Example 30: Compute the Arithmetic mean (or Average) of 31 given numbers: -2, -6, -3, 13, -11, -6, 9, -6, -2, 14, -13, 0, 5, 0, -8, -10, -14, 10, 14, -11, -8, 10, -2, 3, -7, -2, -10, -12, -3, 3, -5
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-2 + -6 + -3 + 13 + -11 + -6 + 9 + -6 + -2 + 14 + -13 + 0 + 5 + 0 + -8 + -10 + -14 + 10 + 14 + -11 + -8 + 10 + -2 + 3 + -7 + -2 + -10 + -12 + -3 + 3 + -5)/31
= -60/31 = -1.935

Example 31: Compute the Arithmetic mean (or Average) of 32 given numbers: 11, -8, 13, 6, 6, 0, 1, 1, 7, 13, -4, -7, -11, -8, -7, -3, -1, 4, -11, 12, -7, 4, 9, -13, -11, 6, 13, -5, 3, -1, 0, -5
Arithmetic mean = (Sum of elements) divided by (number of elements) = (11 + -8 + 13 + 6 + 6 + 0 + 1 + 1 + 7 + 13 + -4 + -7 + -11 + -8 + -7 + -3 + -1 + 4 + -11 + 12 + -7 + 4 + 9 + -13 + -11 + 6 + 13 + -5 + 3 + -1 + 0 + -5)/32
= 7/32 = 0.219

Example 32: Compute the Arithmetic mean (or Average) of 33 given numbers: 4, 2, -8, -11, 11, -7, 12, 5, 2, 6, 2, 7, -5, 3, -11, -3, 9, 2, 1, -10, 7, 11, 11, -1, -1, 11, 12, 6, -11, 4, 13, -9, -11
Arithmetic mean = (Sum of elements) divided by (number of elements) = (4 + 2 + -8 + -11 + 11 + -7 + 12 + 5 + 2 + 6 + 2 + 7 + -5 + 3 + -11 + -3 + 9 + 2 + 1 + -10 + 7 + 11 + 11 + -1 + -1 + 11 + 12 + 6 + -11 + 4 + 13 + -9 + -11)/33
= 53/33 = 1.606

Example 33: Compute the Arithmetic mean (or Average) of 34 given numbers: 5, -1, -6, -6, 11, 0, 4, 11, -2, 6, -8, -2, 14, 14, -9, -4, 7, 12, 3, -13, 1, 12, 0, -14, 8, 2, -1, 4, 8, -8, 13, -10, -2, -12
Arithmetic mean = (Sum of elements) divided by (number of elements) = (5 + -1 + -6 + -6 + 11 + 0 + 4 + 11 + -2 + 6 + -8 + -2 + 14 + 14 + -9 + -4 + 7 + 12 + 3 + -13 + 1 + 12 + 0 + -14 + 8 + 2 + -1 + 4 + 8 + -8 + 13 + -10 + -2 + -12)/34
= 37/34 = 1.088

Example 34: Compute the Arithmetic mean (or Average) of 35 given numbers: 10, 7, 0, 1, 5, -10, -5, 5, -4, 13, 11, 3, 0, 13, -13, -6, -5, 0, 5, -6, 6, -8, -11, -6, -12, 2, -3, -8, -1, 3, -10, -11, 7, 9, -15
Arithmetic mean = (Sum of elements) divided by (number of elements) = (10 + 7 + 0 + 1 + 5 + -10 + -5 + 5 + -4 + 13 + 11 + 3 + 0 + 13 + -13 + -6 + -5 + 0 + 5 + -6 + 6 + -8 + -11 + -6 + -12 + 2 + -3 + -8 + -1 + 3 + -10 + -11 + 7 + 9 + -15)/35
= -34/35 = -0.971

Example 35: Compute the Arithmetic mean (or Average) of 36 given numbers: -13, 11, -3, 10, -11, 2, -5, 1, 1, 6, 2, -10, 4, 9, 5, -11, 3, -13, 10, -3, 8, 13, -7, 0, -3, 7, 10, 11, -3, -14, 8, -14, -12, -9, -11, -3
Arithmetic mean = (Sum of elements) divided by (number of elements) = (-13 + 11 + -3 + 10 + -11 + 2 + -5 + 1 + 1 + 6 + 2 + -10 + 4 + 9 + 5 + -11 + 3 + -13 + 10 + -3 + 8 + 13 + -7 + 0 + -3 + 7 + 10 + 11 + -3 + -14 + 8 + -14 + -12 + -9 + -11 + -3)/36
= -24/36 = -0.667