Weekly Allowance of Children: Grouped Data Analysis
Weekly Allowance of Children: Grouped Data Analysis
Secondary 2
The weekly allowance of \(150\) children are shown in the table below.
Weekly allowance ($) | \(40<x\le 45\) | \(45<x\le 50\) | \(50<x\le 55\) | \(55<x\le 60\) | \(60<x\le 65\) |
|---|---|---|---|---|---|
Number of children | \(23\) | \(38\) | \(45\) | \(31\) | \(13\) |
Calculate an estimate of the mean weekly allowance of the children.
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Answer:\(\$51.60\)
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