Question: The National Football League rates prospects by position on a scale that ranges from 5 to 9. The ratings are interpreted as follows: 8—9 should start the first year; 7.0—7.9 should start; 6.0—6.9 will make the team as a backup; and 5.0-5.9 can make the club and contribute. Table 2.15 shows the position, weight, Speed (seconds for 40 yards), and ratings for 40 NFL prospects (USA Today, April 14, 2000).

1. Prepare a crosstabulation of the data on Position (rows) and Speed (columns). Use classes of 4.00—4.49, 4.50 - 4.99, 5.00—5.49, and 5.50 - 5 .99 for Speed.
2. Comment on the relationship between Position and Speed based upon the crosstabulation developed in part (a).
3. Develop a scatter diagram of the data on Speed and Rating. Use the vertical axis for Rating.
4. Comment on the relationship, if any, between Speed and Rating.

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