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

Question

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The Answer of 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

Here Are Some Summary Statistics for All of the Runners