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Data Analysis, SM-Bank 003

This table shows the number of people who visited a war memorial on weekdays over 4 weeks.
 

 
 

  1. What was the range of people visiting the war memorial on Monday?  (1 mark)

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  2. What was the mean number of people who attended the war memorial on Fridays?  (1 mark)

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  3. What was the median number of people who visited the war memorial during week 3?  (1 mark)

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  4. What is the modal number of visitors to the war memorial during the four week period?  (1 mark)

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Show Answers Only

a.   `44`

b.   `26`

c.   `39`

d.   `22`

Show Worked Solution
a.   `text(Range on Mondays)` `= 81 \ -\ 37`
  `= 44`

 

b.   `text(Mean on Fridays)` `=(22 + 32+28+22)/4`
  `=104/4`
  `=26`

  
c.   `text(Week 3 data in order:   28,  37,  39,  53,  72)`

`text(Median Week 3)` `=\ text(middle score)`
  `=\  39`

 
d.   `text(Modal number of visitors) = 22`

Filed Under: Data Analysis Tagged With: num-title-ct-core, smc-4224-10-Range, smc-4224-15-Mode, smc-4224-20-Median, smc-4224-25-Mean

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