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|Student||Data set (wingspans in cm)||Mean (cm)|
Student A collected 6 measurements and worked out that their mean was 13cm.
Student B collected 4 measurements.
The overall mean of the combined data was 13.4cm.
Can you work out what the two missing values are?
When Kate ate a giant date, the average weight of the dates decreased. What was the weight of the date that Kate ate?
How many visitors does a tourist attraction need next week in order to break even?
Grandpa made a super-heavy rock cake. Five people have guessed the weight of the cake. Can you work out the weight of his cake?