Resources tagged with: Averages

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There are 23 results

Broad Topics > Handling, Processing and Representing Data > Averages

Range of Averages

Age 11 to 14 Short
Challenge Level

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

French Test

Age 11 to 14 Short
Challenge Level

What was the average score in this French test?

Bat Wings

Age 11 to 14 Short
Challenge Level

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

Growing Families

Age 11 to 14 Short
Challenge Level

What do these statistics about family size mean?

Average Temperature

Age 11 to 14 Short
Challenge Level

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

Maximum Mean

Age 14 to 16 Short
Challenge Level

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

About Average

Age 11 to 14
Challenge Level

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

Shifting Average

Age 11 to 14 Short
Challenge Level

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

Unequal Averages

Age 11 to 14
Challenge Level

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

Statistical Shorts

Age 11 to 16
Challenge Level

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

Number of Arms

Age 11 to 14 Short
Challenge Level

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

The Average Age

Age 11 to 14 Short
Challenge Level

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

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?

Changing Averages

Age 14 to 16 Short
Challenge Level

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

David and Goliath

Age 14 to 18
Challenge Level

Does weight confer an advantage to shot putters?

How Would You Score It?

Age 11 to 14
Challenge Level

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

Half a Minute

Age 11 to 14
Challenge Level

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

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?

Litov's Mean Value Theorem

Age 11 to 14
Challenge Level

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

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?

M, M and M

Age 11 to 14
Challenge Level

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

Mediant Madness

Age 14 to 16
Challenge Level

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