Measures of Spread: Quantiles and Percentiles
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The box plot shows the weekly pocket money of \(60\) Year \(10\) students.
a) About how many students get more than \(\$20\)?
b) About how many students get between \(\$15\) and \(\$35\)?
c) What percentage of students get less than \(\$15\)?
d) Find the interquartile range.
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