Exam 16: Measurement and Statistical Methods

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

Probabilities are used to express the ________.

A statistical procedure for combining the results of several studies so the strength, consistency, and direction of the effect can be measured is known as ________.

The mode of the set of scores 16, 17, 21, 17, 2, 17, is ________.

A significance level of .001 means that the odds that the results of an experiment are due to chance are ________.

We can predict from a person's score on one measure how she will do on another measure by using the ________.

A scale that tells us about order but nothing about the distances between the quantities that are ordered is a(n) ________ scale.

About 68 percent of scores fall between ________ standard deviation(s) above and below the mean in a normal distribution.

A 4-point scale that measures the quality of beef is a(n) ________ scale.

We can say that one measurement is twice as large as another when ________ scales are used.

To find the standard deviation, we must first find the ________.

There is a zero on a(n) ________ scale only.

Which of the following can be used to describe if two or more sets of measurements are in any way associated with each other?

Traditionally, psychologists reviewing the literature in a particular area of research relied on the ________ method to reach conclusions.

When the dots on a scatter plot form a cigar shape, the correlation is ________.

In a set of survey results, the mean is 15 and the standard deviation is 3. With these numbers we know that 99% of the scores are between ________.

The median for the set of scores 6, 9, 10, 11, 15, 15 is ________.

For the numbers 100, 90, 80, 60, the range is ________.

A statistical measure of the degree to which two variables are associated is called a ________.

The auto theft rates of various cities in a state (for example: 15 thefts per 10,000 population) is an example of a(n) ________ scale.