Exam 2: Means to an End: Computing and Understanding Averages

Market researchers sent out a survey to college students in Ohio to assess their preferences in regard to three different brands of honey.When examining the average preference of the respondents, which measure of central tendency is most likely to be used to describe them?

What does the Σsymbol represent?

Your current exam mean is 95.If you receive a 95 on the next exam, this will have the effect of ______.

What does the small n represent?

If you were to calculate the average of individual income, and you found many extreme scores, which measure of central tendency should be used?

A test score in the 47th percentile would be considered _______.

When there is an even number of scores, how is the median calculated?

Which measure of central tendency is most influenced by outliers?

A test score in the 97th percentile would be considered _______.

What is the mode of the following data: 47 Republicans, 49 Democrats, and 52 independents?

What value is most often used to represent an entire group of scores?

A test score in the 3rd percentile would be considered _______.

When is the nominal level of measurement the correct level of measurement to use?

Which of the following sets of data illustrates skew?

The mode will always consist of the ______.

If you know M = 5, and the sum of scores is 20, what is n?

What is the mean value of the following scores: 12, 25, 15, 27, 32, 8?

What is the mean value of the following scores: 117, 132, 147, 156, 196?

Which measure of central tendency is also known as the midpoint for a set of scores?