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Question 1
a) Does the "mean" of the sampling means always equal to that of the population mean? Discuss
b) As the size of the sample increases, the sampling distribution of the sample means is approximately normal. Why? Explain
c. What is the Central Limit Theorem? How large should the sample size be if the underlying distribution of the population values are:
i) Normally distributed (discuss).
ii) Non-normally distributed. (discuss)
Question 2
What is the difference, if any, between the standard deviation of the sample means and the standard error of the sample means? Discuss
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Caselet on McDonald’s vs. Burger King - Waiting time
Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.
Problems on Sampling Variability and Standard Error and Confidence Intervals
Estimate the population mean
Conduct a marketing experiment in which students are to taste one of two different brands of soft drink
Find out the probability
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