Handling-Data-Homework by sdaferv

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Handling-Data-Homework

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									Handling Data Homework
Recap: Mean = Sum of data  no. of pieces of data Median = middle piece of data in size order Mode = most common value Range = largest – smallest

1. These are the shoe sizes of five pupils in year 7: 4, 6, 5, 3, 5 Calculate the mean, median, mode and range for this data.

2. A survey is done on the ages of people buying Eminem’s new album. These are the results: 14, 25, 18, 11, 20, 14 Calculate the mean, median, mode and range for this data.

3. Johnny wants to find out how many brothers and sisters other pupils in his class have. These are the results of his survey: Number of children in family 0 1 2 3 4 5 Total Number of pupils 3 8 6 4 3 1 Total number of children 0x3=0 1x8=8

Copy and complete the table, then calculate the mean number of children in a family. Work out the modal number of children and the range. Challenge: calculate the median number of children in a family.


								
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