Question

samuel who work in customer cars call centers keep a record of the numbers of minutes each telephone call lasted. the record of the call is : 10,25,31,31,19,13,26,26,19,10,13,20,26,19,26,10,26,19,26,30,28,26. a. convert the data into frequency table. b. how many minutes does the longest and shortest call last ? also calculate the range.
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Answer 1

ans. a.

ans b.

longest = 31 min

shortest = 10 min

range = 31 - 1 = 21 min

ans. 21 min .

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Answer 2

Step-by-step explanation:

Range = maximum value - minimum value

= 30 - 10 = 21

longest call = 31 min

shortest call = 10

range = 31 - 10 = 21 min