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Here Are Some Summary Statistics for All of the Runners

Question 22

Multiple Choice

Here are some summary statistics for all of the runners in a local 12 kilometre race:
Slowest time = 121 minutes
Mean = 76 minutes
Median = 76 minutes
Range = 91 minutes
IQR = 57
Q1 = 30
Standard deviation = 13 minutes
Between what two values are the middle 50% of times?


A) 30 and 87
B) 38 and 76
C) 15.2 and 60.8
D) 19 and 57
E) 121 and 30

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