Describe the sampling distribution of x - what is the mean, Basic Statistics

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Describe the sampling distribution of x - what is the mean

Refer to given Exercise. Now define the statistic of interest to be the proportion correct, X/10. What is the mean of the sampling distribution of this statistic? Explain how you found your answer.

Exercise
Suppose someone who takes a ten-question true-false test doesn't know any of the answers and randomly selects true or false for each question. Define the statistic X = number correct.

a. Describe the sampling distribution of X. (Hint: This distribution was introduced in Chapter 8.)

b. What is the mean of this sampling distribution?

c. What is the standard deviation of this sampling distribution?

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Basic Statistics: Describe the sampling distribution of x - what is the mean

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