Resources tagged with: Averages

Filter by: Content type:
Age range:
Challenge level:

There are 13 NRICH Mathematical resources connected to Averages, you may find related items under Handling, Processing and Representing Data.

Broad Topics > Handling, Processing and Representing Data > Averages

Statistical Shorts

Age 11 to 16 Challenge Level:

Can you decide whether these short statistical statements are always, sometimes or never true?

For Richer for Poorer

Age 14 to 16 Challenge Level:

Charlie has moved between countries and the average income of both has increased. How can this be so?

Searching for Mean(ing)

Age 11 to 16 Challenge Level:

If you have a large supply of 3kg and 8kg weights, how many of each would you need for the average (mean) of the weights to be 6kg?

Stats Statements

Age 16 to 18 Challenge Level:

Are these statistical statements sometimes, always or never true? Or it is impossible to say?

Maximum Mean

Age 14 to 16 Short Challenge Level:

What is the largest that the mean of these numbers could be?

Changing Averages

Age 14 to 16 Short Challenge Level:

Find the value of $m$ from these statements about a group of numbers

Wipeout

Age 11 to 16 Challenge Level:

Can you do a little mathematical detective work to figure out which number has been wiped out?

May the Best Person Win

Age 5 to 16

How can people be divided into groups fairly for events in the Paralympics, for school sports days, or for subject sets?

David and Goliath

Age 14 to 18 Challenge Level:

Does weight confer an advantage to shot putters?

Top Marks

Age 16 to 18 Challenge Level:

Can you make all of these statements about averages true at the same time?

PDF

Age 16 to 18 Challenge Level:

Given a probability density function find the mean, median and mode of the distribution.