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Data Analysis, SM-Bank 053

The following ordered stem plot shows the percentage of homes connected to broadband internet for 24 countries in 2007.
 

   CORE, FUR1 2013 VCAA 1-2 MC 
 

  1. How many of these countries had more than 22% of homes connected to broadband internet in 2007?  (1 mark)

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  2. What was the median percentage of homes connected to broadband?  (1 mark)

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  3. For these countries, what is the modal percentage of homes connected to broadband?  (1 mark)

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Show Answers Only

a.    \(19\)

b.    \(29.5\)

c.    \(31\)

Show Worked Solution

a.    \(\text{There are 19 values greater than 22%}\)

 

b.     \(\text{Median}\) \(=\dfrac{\text{12th + 13th}}{2}\)
    \(=\dfrac{29+30}{2}\)
    \(=29.5\)

 
c.    \(\text{Mode} = 31\)

Filed Under: Data Analysis Tagged With: num-title-ct-core, smc-4224-15-Mode, smc-4224-20-Median, smc-4224-40-Stem and Leaf

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