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A political pollster randomly selects a sample of 100 voters each day for 8 successive days and asks how many will vote for the incumbent. The pollster wishes to construct a p chart to see if the percentage favoring the incumbent candidate is too erratic.

Day Number favoring incumbent candidate

1 57

2 57

3 53

4 51

5 55

6 60

7 56

8 59

a. Referring to the problem statement, what is the numerical value of the center line for the p chart?

b. Referring to the problem statement, what is the numerical value of the lower control limit for the p chart?

c. Referring to the problem statement, what is the numerical value of the upper control limit for the p chart?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91012152

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