Question

Mean temperature: 78°

Standard deviation: 5°

Washington, DC

July 4: 1952 - 2011

Average Daily Temperature

Check all of the temperatures that are within one

standard deviation of the mean

o 72°

74°

799

84

Number of Years

C) ONO

DONE

Average Temperature

Answer 1

74 and 79

Explanation:

one standard deviation= 5°

range of one standard deviation: (78-5) to (78+5)

73° to 83°