The table summarizes the number of mobile phones per 100 people in the population of each of
Question:
The table summarizes the number of mobile phones per 100 people in the population of each of the 64 countries with the largest number of phones.
(a) Use class marks and the number of countries (frequency) to find the mean number of mobile phones per 100 people in the population for these countries.
(b) Should we expect this mean to increase or decrease in the future?
Transcribed Image Text:
Number of Mobile Phones Number of per 100 People Population Countries 0-19 2 20-39 1 40-59 60-79 10 80-99 7 100–119 20 120-139 14 140-159 6. 160-179 2 180-199 1 200-219 1
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Related Book For
Mathematical Applications For The Management, Life And Social Sciences
ISBN: 9781337625340
12th Edition
Authors: Ronald J. Harshbarger, James J. Reynolds
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