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.

a. Determine the population mean height, μ, of the five players.
b. Consider samples of size 2 without replacement. Use your answer to Exercise 7.11(b) on page 312 and Definition 3.11 on page 140 to find the mean, μ x̅ , of the variable x̅.
c. Find μx̅, using only the result of part (a).
Exercises 7.41-7.45 require that you have done Exercises 7.11-7.15, respectively.

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Player Position Height (in.) Chris Bosh (B) Dwyane Wade (W) Guard LeBron James (J) Forward Mario Chalmers (C) Guard Udonis Haslem (H)Forward Center 83 76 80 74 80