Question

What is the value of the geometric mean of the numbers 3, 4, and 18?

A. 8 1/3
C. 8 2/3
B. 8
D. 6
E. 5.5

Answer 1

It’s D

Average (mean): μ=8.3333333333333
Absolute deviation: 19.333333333333
Mean deviation: 6.4444444444444
Minimum: 3
Maximum: 18
Variance: 46.888888888889
Standard deviation σ=6.8475461947247
Corrected sample standard deviation s=8.3864970836061
Coefficient of variation cV=1.0063796500327
Signal-to-noise ratio SNR=0.99366079189646
Median: 4
Quartile Q1: 3
Quartile Q2: 4
Quartile Q3: 18