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Use the covariate data given below to find their covariance. x 1 2 4 5 y 4 2 8 6 2. In a baseball team,

 Use the covariate data given below to find their covariance.

x

1

2

4

5

y

4

2

8

6

2. In a baseball team, there are NINE players. Find the number of ways to arrange these NINE baseball players.

3. You are to form a committee of THREE from 25 students. How many possible ways could this be done?

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