Answer
a. Mean 15.3
b. Median 15.5
c. Mode 15, 16, 17 (frequency=2)
d. Midrange 15
e. Range 6
f. Variance 3.6
g. Standard deviation 1.9
Work Step by Step
Minimum:12
Maximum:18
Range:6
Count:10
Sum:153
a. Mean 15.3 (sum/count)
b. Median 15.5 (middle number or value after arrange data)
c. Mode 15, 16, 17 (frequency=2)
d. Midrange 15 (half of max+min)
e. Range 6 (max-min)
f. Variance 3.6 (calculate this using a formula with mean and counts)
g. Standard deviation 1.9 (square root of variance)
