The following timesin minutes to process hot-rolled steel, Ask an Expert

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The following times(in minutes) to process hot-rolled steel are observed for a random sample of size 10:

5.4 6.2 7.9 4.8 7.5
6.2 5.5 4.5 7.2 6.2

(a) Find the mean, median, and mode of the processing times. Interpret the differences between them.

(b) Compute the range, variance, and standard deviation of the processing times and interpret them.

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