Question: 7.21 Refer to Exercise 7.20. a. Use the data entry method in your calculator to find the mean and standard deviation of the 50 values

7.21 Refer to Exercise 7.20.

a. Use the data entry method in your calculator to find the mean and standard deviation of the 50 values of x given in Exercise 7.20, part

c. b. Compare the values calculated in part a to the theo- retical mean and the theoretical standard deviation on for the sampling distribution of x. How close do the values calculated from the 50 measurements come to the theoretical values?

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