Question

the stem - and - leaf plot below gives the amount of money spent by each of
amount of money spent (in dollars)
3|0 4 9
4|0 4 5 6 9 9
5|0 0 1 6 8
6|2 3
key: 3|0 means 30 dollars.
(a) how many couples spent an amount in the 60s?
(b) what was the least amount spent overall?
(c) what was the greatest amount spent in the 50s?

Explanation:

Step1: Count values in 60s

In the stem - and - leaf plot, the stem value of 6 has 2 leaf values (2 and 3). So the number of values in the 60s is 2.

Step2: Find least value

The lowest stem value is 3, and the lowest leaf value for the stem of 3 is 0. So the least amount spent overall is 30.

Step3: Find greatest value in 50s

The stem value is 5. The greatest leaf value for the stem of 5 is 8. So the greatest amount spent in the 50s is 58.

Answer:

(a) 2
(b) 30
(c) 58