Answer:
C.The waiting times at Bank A have considerably less variation than the waiting times at Bank B.
Step-by-step explanation:
The Coefficient of variation "shows the extent of variability in relation to the mean of the population" and is defined as:
And the best estimator is
Where the sample mean is obtained from:
And the sample deviation from:
Bank A
Bank B
And the best option for this cas based on the results obtaines is:
C.The waiting times at Bank A have considerably less variation than the waiting times at Bank B.
Answer:
= 5
Step-by-step explanation:
The answer would be 0.001750