Sample size: 5
Sum of sample elements: 94
Mean: 94/5 = 18.8
19+17+23+17=76 76/4 (the number of numbers) = 19
More correctly in Maths. it is the MEAN. Hence mean -= (12 + 16 + 23) / 3 means = 51/3 mean = 17 .
mean = the sum of 23, 19, 26, 17, 21, 24, 22 divided by 7 = 152/7 =21.71
20
13 17 19 23
The prime numbers from 12 to 24 are 13, 17, 19, and 23.
15.4
They are: 13 17 19 23 and 29
It is: 15
25
13 17 19 23 29 31.
13-17-19-23-29