A commuter travels many kilometres to work each morning.She has timed this trip 5 times during the last month.The time (in minutes)required to make this trip was 44, 39, 41, 35, and 41.The mean time required for this trip was 40 minutes.What is the standard deviation for this sample data?
A)3.32
B)2.97
C)1.73
D)11
E)-1.4

Question

Quizplus · Accepted Answer

The standard deviation for a sample is calculated using the formula: sqrt((Σ(xi - x̄)²) / (n - 1)), where xi are the data points, x̄ is the mean, and n is the number of data points. Calculating this for the given data results in approximately 3.32.

A Commuter Travels Many Kilometres to Work Each Morning