Answer :
Final answer:
The stem-and-leaf displays for the first and fourth round scores of the U.S. Open Golf Tournament depict the distribution of player scores. The displays show a difference in player scoring patterns, with the fourth round indicating improved golf performance.
Explanation:
First-Round Stem-and-Leaf Display
Title: First Round Scores at U.S. Open Golf Tournament
Key: 6 | 5 = 65
6 | 5 6 7 7
6 |
7 | 0 1 1 1 1 1 1 1 1 1
7 | 2 2 3 3 3 3 4 4 4 4 5 5 5 5 5
7 | 5
Fourth-Round Stem-and-Leaf Display
Title: Fourth Round Scores at U.S. Open Golf Tournament
Key: 6 | 8 = 68
6 | 8 9 9 9 9 9
6 |
7 | 0 0 0 1 1 1 1 1 1 1 1
7 | 2 2 2 2 2 2 3 3 3 3 3 3 4 4 4
7 |
Comparison of the Plots
The overall shapes of the two stem-and-leaf displays show differences in distribution of scores. The first-round display has a concentration in the lower 70s range, with a relatively even spread of scores from 65 to 75.
In contrast, the fourth-round display shows a tighter clustering of scores around the par score of 70, with fewer high scores, indicating improved performance over the course of the tournament.
Answer:
a. First round
Stem | Leaf
6 |
6 | 5 6 7 7
7 | 0 1 1 1 1 1 1 1 1 1 1 2 2 2 3 3 3 3 4 4 4
7 | 5 5 5 5 5 5 5
b. Fourth round
Stem | Leaf
6 |
6 | 8 9 9 9 9 9
7 | 0 0 0 0 1 1 1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 4 4 4
7 |
c. In the first plot the scores are more dispersed than in the second plot
Step-by-step explanation:
When two lines per stem are used, leafs from 0 to 4 goes in the first line of the stem, and leafs from 5 to 9 goes in the second line of the stem.