Core stretch The stem-and-leaf diagram contains missing leaf digits $A,B,C$. The median is 35.5, t

Question

Core stretch The stem-and-leaf diagram contains missing leaf digits $A,B,C$. The median is 35.5, the unique mode is 47, and the mean is 37.55. $\text{Recorded times}$ $\text{Stem}$ $\text{Leaf}$ $\text{2}$ $\text{0 2 4 7 9}$ $\text{3}$ $\text{1 2 3 3 A 7 9}$ $\text{4}$ $\text{1 3 7 7 B}$ $\text{5}$ $\text{2 5 C}$ $\text{Key: 4 | 7 means 47}$

Accepted Answer

(a) $40\%$ (b) $A=4,B=7,C=8$.

Missing leaves from mode, mean and median

Missing leaves from mode, mean and median

Solution:

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