AP Stats Chapter 5 Experiments

What does this symbol represent?

• mean of the parameter

• mean of a population

• mean of a sample

• mean of a proportion

What does this symbol represent?

• parameter

• sample proportion

• parameter of a population

• population proportion

A market research company wishes to find out whether the population of students at a university prefers Starbucks or Dunkin Donuts. A random sample of students is selected, and each student is asked first to try both but the order they try them is randomly decided with a coin toss (heads: Starbucks, then Dunkin. tails: vice versa). They then indicate which brand they prefer. This is an example of

• completely randomized experiment

• observational study

• stratified sample

• matched pairs experiment

These symbols represent the mean and standard deviation for which of the following distributions?

• The Population

• The Sample

• The Sampling Distribution

• A

• B

• C

• D

• E

• A

• B

• C

• D

• E

• A
• B
• C
• D

The histogram represents data obtained after a census of an entire population. The sampling distribution of the sample mean based on samples of size 2 were simulated, and a histogram of the results was produced. Which of the following histograms is most likely the histogram of that sampling distribution?

• 
• 
• 
• 
• 

In an experiment, the outcome to be measured.

• response variable

• lurking variable

• subjects

• treatments

Which of the following is the best estimate of the standard deviation of the distribution in the figure?

• 18

• 9

• 54

• 97

• 106