Concept explainers
Exercises 7.11–7.23 are intended solely to provide concrete illustrations of the sampling distribution of the sample
7.14 NBA Champs. Repeat parts (b)–(e) of Exercise 7.11 for samples of size 4.
7.11 NBA Champs. The winner of the 2012–2013 National Basketball Association (NBA) championship was the Miami Heat. One possible starting lineup for that team is as follows.
Player | Position | Height (in.) |
Chris Bosh (B) | Center | 83 |
Dwyane Wade (W) | Guard | 76 |
LeBron James (J) | Forward | 80 |
Mario Chalmers (C) | Guard | 74 |
Udonis Haslem (H) | Forward | 80 |
- a. Find the population mean height of the five players.
- b. For samples of size 2, construct a table similar to Table 7.2 on page 310. Use the letter in parentheses after each player’s name to represent each player.
- c. Draw a dotplot for the sampling distribution of the sample mean for samples of size 2.
- d. For a random
sample of size 2, what is the chance that the sample mean will equal the population mean?
For a random sample of size 2, obtain the
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