502 RM Analysis & Communication

Type I error occurs when an effect exists, but it is not found in research.

• True

• False

The (a)   is commonly called the average.

The ​ ​ (a)   is the most frequently appearing score.

• mode
• mean
• median
• range

The ​ (a)   is the spread of the scores around their average in a single sample.

• standard deviation
• dispersion
• variance
• range

What is the mode of this set of scores?

4, 4, 7, 3, 6, 10, 2, 7, 3, 10, 4, 8, 2, 2, 2

• 2

• 3

• 4

• 10

Completing analyses allows us to

• verify hypotheses.

• further our knowledge

• answer research questions.

• all of the above.

The nature of your data dictates the type of analysis you should use.

• True

• False

The significance between two variables is referred to as the

• causation.

• correlation.

• condition.

• case study.

which of the following is the measures of central tendency?

• Range

• Mean Deviation

• Median

• Standard Deviation

Which of the following is descriptive statistics?

• T-test

• Z-test

• Standard deviation

• Chi-square test