A study found that the average American buys 4.6 movie tickets per year, compared to an average
Question:
a. Select a simple random sample of 20 data values. Compute the sample mean.
b. Select another simple random sample of 20 data values, and compute the mean.
c. To two decimal places, compare the mean of the sample in part (a) with the mean of the sample in part (b). Are the values identical? Would you expect them to be? How do they compare to the mean of the 100 data values from which the samples were drawn? (We will learn more about this topic in Chapter 8, Sampling Distributions.)
A computer and statistical software capable of selecting random or systematic samples.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Question Posted: