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The following data represent the monthly phone​ use, in​ minutes, of a customer enrolled in a...

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Question

Statistics

The following data represent the monthly phone​ use, in​minutes, of a customer enrolled in a fraud prevention program forthe past 20 months. The phone company decides to use the upperfence as the cutoff point for the number of minutes at which thecustomer should be contacted. What is the cutoff​ point?

397
391
401
438
342
518
516
335
301
347
500
388
325
422
510
434
541
303
321
345

The cutoff point is minutes.

Answer & Explanation Solved by verified expert
4.0 Ratings (651 Votes)
Upper fence Q3 15 IQR so The first quartile or lower quartile or 25th percentile is the median of the bottom half of the numbers So to find the first quartile we need to place the numbers in value    See Answer
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