Resources tagged with: Averages

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There are 23 results

Broad Topics > Handling, Processing and Representing Data > Averages

Unequal Averages

Age 11 to 14Challenge Level

Play around with sets of five numbers and see what you can discover about different types of average...

Statistical Shorts

Age 11 to 16Challenge Level

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

Shifting Average

Age 11 to 14 ShortChallenge Level

What happens to the average if you subtract 8 from all of the numbers?

Wipeout

Age 11 to 16Challenge 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?

Half a Minute

Age 11 to 14Challenge Level

Anna, Ben and Charlie have been estimating 30 seconds. Who is the best?

Age 11 to 14Challenge Level

Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?

Growing Families

Age 11 to 14 ShortChallenge Level

What do these statistics about family size mean?

How Would You Score It?

Age 11 to 14Challenge Level

Invent a scoring system for a 'guess the weight' competition.

Number of Arms

Age 11 to 14 ShortChallenge Level

What is the probability that the next person you meet has an above average number of arms?

Litov's Mean Value Theorem

Age 11 to 14Challenge Level

Start with two numbers and generate a sequence where the next number is the mean of the last two numbers...

Bat Wings

Age 11 to 14 ShortChallenge Level

Two students collected some data on the wingspan of bats, but each lost a measurement. Can you find the missing information?

Range of Averages

Age 11 to 14 ShortChallenge Level

Find these 4 numbers, given their mode, median and range.

The Average Age

Age 11 to 14 ShortChallenge Level

Given this information about averages, find the ages of these teachers.

David and Goliath

Age 14 to 18Challenge Level

Does weight confer an advantage to shot putters?

For Richer for Poorer

Age 14 to 16Challenge Level

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

Maximum Mean

Age 14 to 16 ShortChallenge Level

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

Average Temperature

Age 11 to 14 ShortChallenge Level

The average temperature of six cities is 5$^\circ$C. What is the average temperature when two cities are added?

French Test

Age 11 to 14 ShortChallenge Level

What was the average score in this French test?

Searching for Mean(ing)

Age 11 to 16Challenge 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?

Changing Averages

Age 14 to 16 ShortChallenge Level

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

M, M and M

Age 11 to 14Challenge Level

If you are given the mean, median and mode of five positive whole numbers, can you find the numbers?