MODE, MEDIAN, RANGE, and MEAN
Activity 1: Words
Calculating mean, mode, median and
range
You will need: 2 reading books
Open up a book and record the number of
letters in each word for the first 20 words.
For the number of letters per word find
the mode, median, range and calculate the
mean.
Repeat for a different book and compare
the results
Iffat Sardharwalla
July 2011
MODE, MEDIAN, RANGE, and MEAN
Activity 2: Dice differences
Calculating mean, mode, median and
range
You will need: 2 dice
Roll two dice and write the differences
between each number of spots
Do this 10 times
Find the mode, median, range and
calculate the mean
Repeat the activity with 20 rolls, then 40.
Do the mode, median, range and mean
change?
Iffat Sardharwalla
July 2011
MODE, MEDIAN, RANGE, and MEAN
Activity 3: Dice Totals
Calculating mean, mode, median and
range
You will need: 2 dice
Roll two dice and write the totals of the
two numbers of spots
Do this 10 times
Find the mode, median, range and
calculate the mean
Repeat the activity with 20 rolls, then 40.
Do the mode, median, range and mean
change?
Iffat Sardharwalla
July 2011
MODE, MEDIAN, RANGE, and MEAN
Simplified versions (LA/SEN)
Activity 4: Dice
Finding mode and median
You will need: 1 dice
Roll the dice and write the number of
spots
Do this 5 times
Write numbers in the number order
Find the mode and median
Repeat the activity 5 times
Do the mode and median change?
Repeat with 8 throws
Repeat with 10 throws
Iffat Sardharwalla
July 2011
MODE, MEDIAN, RANGE, and MEAN
Iffat Sardharwalla
July 2011