A Commuter Travels Many Kilometres to Work Each Morning

question 33

Multiple Choice

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

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