Question
Two (2) surveys of sales of laptop computers showed the number of computers sold by two different office supply shops over time. These numbers are
Two (2) surveys of sales of laptop computers showed the number of computers sold by two different office supply shops over time. These numbers are shown in the table below. The following questions will require you to analyse the information contained in the table.
Time Shop 1 Shop 2
January 38 29
February 49 31
March 41 17
April 16 38
May 20 34
June 42 47
July 27 26
August 11 19
September 18 23
October 41 33
November 35 30
December 54 48
a) By first ordering the data, calculate themeanand themedianfor each set of data.(2 marks)
b) Calculate theRangeand theInterquartile Rangefor each set ofdata.(3marks)
c) The standard deviation for Shop 1 is 13.34 while the standard deviation for Shop 2 is 9.24. Comment on which shop you think has the most computer sales and which shop has the most consistent sales pattern with reference to the mean, interquartile range and standard deviation.(2marks)
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Reform Of The International Monetary System An Asian Perspective
Authors: Masahiro Kawai, Mario B Lamberte, Peter J Morgan
1st Edition
4431550348, 9784431550341
