Exam 16: Measurement and Statistical Methods

If the dots on a scatter plot form a circle or random pattern, there is ________.

The following distribution is ________.

In a set of incomes in which most people are in the $30,000-$40,000 range, which measure of central tendency would be most disturbed by an income of $2,000?

An ordinal scale ________ equal distances between the points and ________ a true zero.

A scale with equal distances between the points or values with a true zero point is a(n) ________ scale.

Which number tells us the most about how the scores in a frequency distribution are dispersed around the mean?

A count of the number of scores that fall within each of a series of intervals is a ________.

Correlations tell us ________.

In the set of scores 90, 80, 70, the ________.

The mean of a set of numbers 5, 5, 6, 6, 10, 10 is ________.

A branch of mathematics that psychologists use to organize and analyze data is known as ________.

Categorizing people according to whether they voted yes or no on a particular issue is an example of a(n) ________ scale.

The following distribution is ________.

The following graph is a ________.

Which of the following is true regarding statistics?

If you know that the median is greater than the mean, you can predict that the ________.

A professor who classifies the students in her classes according to whether or not they are psychology majors is using a(n) ________ scale.

About ________ percent of scores fall between 2 standard deviations above and below the mean.

In a frequency histogram, the intervals are usually marked along the ________.

We say that a curve is skewed to the right if the ________.