What is the standard deviation for this sample data?

Question

What is the standard deviation for this sample data?

Change Image Delete

Commuter travels many miles to work each morning. She has timed this trip 5 times during the last month. The time (in min) required to make this trip was 44, 39, 41, 35, and 41. The mean time required for this trip was 40 min.

Asked by Nyssa, Last updated: Dec 17, 2024

C. Bernthal · Accepted Answer

To find the standard deviation for this ample data where 5 journeys differ from the mean, each deviation must be taken separately. The total must be added and then dvided by 5, i.e. the number of instances in question. This calculation