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Statistics, NAP-F2-NC40 SA

Tom collected data on the number of big game animals in an African wildlife park.

This graph shows how many big game animals lived in the park.

 

 

There were 16 more elephants than rhinos in the wildlife park.

How many big game animals were in the park in total?
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`80`

Show Worked Solution

`text(Let)\ \ n = text(total big games animal in the park)`

`text(Elephants − Rhinos)` `= 16`
`7/20 n – 3/20 n` `= 16`
`4/20 n` `= 16`
`n` `= (16 xx 20)/4`
  `= 80`

Statistics, NAP-E4-CA03

Anne taught a kindergarten class and asked her students what their favorite fruit is.

Their answers were used to draw the pie chart below.
 

 

 
Around a quarter of her students preferred which fruit?

`text(Banana)` `text(Apple)` `text(Mango)` `text(Grapes)`
 
 
 
 
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`text(Apple)`

Show Worked Solution

`text(A quarter of students will represent a sector that)`

`text(is the size of a quarter of the circle.)`

`:.\ text(Apple)`