A? back-to-back stem-and-leaf plot compares two data sets by using the same stem
ID: 2906953 • Letter: A
Question
A? back-to-back stem-and-leaf plot compares two data sets by using the same stems for each data set. Leaves for the first data set are on one side while leaves for the second data set are on the other side.The? back-to-back stem-and-leaf plot shows the salaries? (in thousands) of all lawyers at two small law firms.
Key: 5 | 19 | 0 = $195,000 for Law Firm A and $190,000 for Law Firm B
Law Firm A Law Firm B
6 1 9 1 2
9 4 1 1 1 10 4 8
9 9 7 0 0 11 0 0 5
1 1 12 0 3 3 5
13 2 2 5 9
14 1 3 3 3 9
15 4 4 4 5
16 3 8 8
8 8 5 1 0 17 1 2 5
5 5 5 3 2 18 9
9 9 8 7 4 19 0
2 20
A)What are the lowest and highest salaries at Law Firm? A? at Law Firm? B?
At Law Firm A the lowest salary was ?$ _________ and the highest salary was ?$ _____________?
At Law Firm B the lowest salary was ?$ _________ and the highest salary was ?$ _____________ ?
(B) how many Lawyers in each firm? _____________________
Explanation / Answer
A)What are the lowest and highest salaries at Law Firm? A? at Law Firm? B?
At Law Firm A the lowest salary was $91000 and the highest salary was $202000
At Law Firm B the lowest salary was $91000 and the highest salary was $190000
(B) how many Lawyers in each firm? _____________________
Lowyers of Firm A = 30 = total number of leaves on the left side
Lowyers of Firm B = 32 = total number of leaves on the right side