Exam 16: Measurement and Statistical Methods

A ratio scale ________ equal distances between the points and ________ a true zero.

In a set of test scores, the mean is 10 and the standard deviation is 2. With these two numbers we know that 95% of the scores fall between ________.

For the set of numbers 2, 4, 6, 6, the ________.

Which of the following questions would be most appropriate in a correlational study?

Each of the following is true except ________.

In a frequency histogram, frequency is usually marked along the ________.

An IQ test typically rates people according to a(n) ________ scale.

About ________ percent of scores fall between the mean and one standard deviation above and below the mean in a normal distribution.

Today, psychologists reviewing the literature in a given area of research tend to rely on the ________ method to reach conclusions.

For the numbers 17, 2, 9, 12, 15, the range is ________.

In a set of incomes in which most people are in the $15,000 through $40,000 range, which measure of central tendency would be most disturbed by an income of $1 million?

A hypothetical bell-shaped distribution curve that occurs when a normal distribution is plotted as a frequency polygon is called a(n) ________ curve.

Classifying workers in a factory according to whether they are blue-collar or white-collar workers is using a(n) ________ scale.

The simplest measure of variation is the ________.

A bar graph showing a frequency distribution is called a ________.

The arithmetical average is also called the ________.

The scores gather at one end of a ________ distribution.

Birth and death rates would be two measures that would use a(n) ________ scale.

The following distribution is ________.

The tendency of measurements to cluster around some value near the middle is called the ________.