The U.S. Open Golf Tournament was played at Congressional Country Club, Bethesda, Maryland, with prizes ranging from $465,000 for first place to $5,000. Par for the course is 70. The tournament consists of four rounds played on different days. The scores for each round of the 32 players who placed in the money (more than $17,000) are given.

The scores for the first round were as follows:
71, 65, 67, 73, 74, 73, 71, 71, 74, 73, 71, 70, 75, 71, 72, 71, 75, 75, 71, 71, 74, 75, 66, 75, 75, 75, 71, 72, 72, 73, 71, 67.

The scores for the fourth round for these players were as follows:
69, 69, 73, 74, 72, 72, 70, 71, 71, 70, 72, 73, 73, 72, 71, 71, 71, 69, 70, 71, 72, 73, 74, 72, 71, 68, 69, 70, 69, 71, 73, 74.

(a) Make a stem-and-leaf display for the first-round scores. Use two lines per stem. (Enter your answers from smallest to largest separated by spaces. Enter NONE for stems with no leaves.)

To create a stem-and-leaf display for the first-round scores, separate the stems and leaves of the scores and group them accordingly. The display shows the range of scores and the most common score.

Explanation:

To create a stem-and-leaf display for the first-round scores, we need to separate the stems and leaves. The stems are the tens digit of each score, while the leaves are the units digit. Grouping the scores by their stems, we can create the display:

6 | 6

7 | 0 0 1 1 1 1 1 1 1 2 2 2 4 5 5 5

8 | NONE

From this display, we can see that the scores range from 66 to 75, with the most common score being 71. There are no scores in the 80s.

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