Posted by **angela** on Tuesday, October 29, 2013 at 6:46pm.

List below are the duration (in hours) of

a simple random sample of all flights of

a space shuttle program. Find the range, variance, and standard deviation for the sample data. Is the lowest duration time

unusual? Why or hwy not? 73 95 238 199 166

268 198 374 260 235 382 339 227 2400

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