Data Analysis, SM-Bank 019

A vet measured the length of 21 dogs that came through his clinic.

The vet recorded the length of each dog.

What is the median length? (1 mark)

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The vet measured and recorded a new dog with a length of 41 centimetres. What is the new median length? (1 mark)

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Show Answers Only

a. `text(52 cm)`

b. `text(51.5 cm)`

Show Worked Solution

a. `text(The median of 21 data points is the 11th data point.)`

`:.\ text(The median is 52 cm.)`

b. `text(The median of 22 data points is the average of the 11th and 12th data point.)`

`text(Average)`	`=(51 +52)/2`
	`=51.5\ text(cm)`

`:.\ text(The new median is 51.5 cm.)`