Question

the stem-and-leaf plot below gives the amount of money spent by each of 19 couples at a restaurant. use the plot to answer the questions that follow.amount of money spent (in dollars)3|6 74|5 5 7 8 95|0 0 0 0 1 5 8 86|1 2 5 6key: 3|6 means 36 dollars.(a) what was the least amount spent in the 50s?(b) what was the least amount spent overall?(c) how many couples spent an amount in the 40s?

Explanation:

Step1: Identify 50s stem values

Stem = 5, leaves: 0,0,0,0,1,5,8,8 → values: 50,50,50,50,51,55,58,58.

Step2: Find minimum in 50s

The smallest value is 50.

Step3: Find overall minimum value

All values: 36,37,45,45,47,48,49,50,50,50,50,51,55,58,58,61,62,65,66. The smallest is 36.

Step4: Count 40s stem entries

Stem = 4, leaves: 5,5,7,8,9 → count = 5.

Answer:

(a) 50 dollars
(b) 36 dollars
(c) 5