Question

The following game represent the number of games played in the World Series from 1923 to...

  1. The following game represent the number of games played in the World Series from 1923 to 2014. Find the mean and standard deviation. Construct the probability histogram. Use Excel to show your work.

Number of games played

Frequency

4

18

5

18

6

20

7

35
Math   Statistics-And-Probability   
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Answer #1

Computational Table:

Number of games played (Xi) Frequency (Fi) FiXI FiXI2
4 18 72 288
5 18 90 450
6 20 120 720
7 35 245 1715
Total 91 527 3173

Mean:

Standard deviation:

Probability Histogram:

On X Axis: Number of games played

Y Axis: P(X)

Computational Table:

Number of games played (Xi) Frequency (Fi) P(X)
4 18 = 18/91 = 0.20
5 18 = 18/91 = 0.20
6 20 = 20/91 = 0.22
7 35 = 35/91 = 0.38
Total 91 1

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