Given the following stemandleaf for temperatures recorded in

Given the following stem-and-leaf for temperatures recorded in October,

Stem

(tens)

Leaves

(units)

4

  8  5  2  7  4  

5

  1  0  3  

6

  0  2  5  

7

  4  2  0  1  

How many temperatures are recorded?

What was the highest temperature recorded?

What is the coldest (lowest) temperature recorded?

Solution

Every leaf is corresponds to an observation, there are total 15 observations recorded.

Join the stem (tens) and leaves (ones) to get original number, the highest is 74 and the lowest is 42