Resources tagged with: Averages

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There are 13 results

Broad Topics > Handling, Processing and Representing Data > Averages

Stats Statements

Age 16 to 18
Challenge Level

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

PDF

Age 16 to 18
Challenge Level

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

Top Marks

Age 16 to 18
Challenge Level

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

Spread

Age 16 to 18
Challenge Level

Given the mean and standard deviation of a set of marks, what is the greatest number of candidates who could have scored 100%?

David and Goliath

Age 14 to 18
Challenge Level

Does weight confer an advantage to shot putters?

Maximum Mean

Age 14 to 16 Short
Challenge Level

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

Statistical Shorts

Age 11 to 16
Challenge Level

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

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?

Wipeout

Age 11 to 16
Challenge Level

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

Changing Averages

Age 14 to 16 Short
Challenge Level

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

Mediant Madness

Age 14 to 16
Challenge Level

Kyle and his teacher disagree about his test score - who is right?

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?

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?