6. The bar chart shows the results of a survey of the number of children per
family. Use the chart to help you answer the following questions,
Number of families
9
9
2
3
4
5
B
Number of children
(a) What is the total number of children in all the families surveyed?
(b) What is the mode?
(c) How many families were surveyed?
(d) What is the mean number of children per family?
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