The stem-and-leaf diagram shows the distribution of the ages of the contestants in a cycling race, T

Question

The stem-and-leaf diagram shows the distribution of the ages of the contestants in a cycling race, The median and range of the distribution are 33 years and 20 years respectively. Find the value of x and of y, given that x $\geq$ 0 and y $\geq$ 0. Write down the modal age of the distribution. Find the interquartile range of this distribution. 2 1 3 2 5 5 7 8 3 0 $x$ 4 4 3 5 5 9 9 9 4 $y$

Accepted Answer

(a) $x = 2$, $y = 1$ (b) $39$ years (c) $11$

Statistics - Median, Quartiles, Range and Interquartile Range

Statistics - Median, Quartiles, Range and Interquartile Range