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

Which of the following is the correct function for calculating the midpoint?

Which of the following is the easiest way to describe data?

What is the term associated with scores that are at the extreme ends of the distribution?

The mode measures central tendency in terms of which of these?

When the data are categorical in nature and values can fit into only one class, such as hair color or political affiliation, which of the measures of central tendency should be used?

What is the mean of the following set of scores? 10, 15, 12, 18, 19, 16, 12

What is the term for a distribution that is significantly distorted?

In the formula for computing the mean, what does the letter "n" represent?

Who was the inventor of the correlation?

In the formula for computing the mean, what does the letter "X" represent?

When might you want to use the moving average tool?

Which of the following requires you to multiply a set of scores by the frequency of their occurrence, add the total of these products, and divide by the total number of scores?

If you wanted to identify the most frequently occurring score in a distribution, which measure of central tendency would you report?

The median is the score of the middle case when the number of cases in the data set is which of the following?

In a ranked list of 25 scores, the median is the score of

Calculate the median for the following data set: 5, 15, 10, 15, 5, 10, 10, 20, 25, 15

Which of the following measures of central tendency is the midpoint for a set of scores?

What is the easiest and most commonly made mistake when computing the mode?

Which of the following is like the fulcrum on a seesaw?

Which of the following is the correct function for calculating the score occurring most often in a distribution?