Exam I Quiz Game

Which of the following is not a measure of central tendency?

• Median

• Mode

• Standard Deviation

• Mean

You can use Pearson's correlation coefficient if one or more of your variables are ordinal or nominal.

• True

• False

The maximum level of validity possible is equal to:

• The square of the reliability coefficient

• The square root of the reliability coefficient

• The cube of the reliability coefficient

• The square root of the reliability coefficient plus one

What does the term "skew" mean?

• Significantly distorted

• Divide

• Add

• Equalize

A visual representation of data can be a much more effective way of illustrating the characteristics of a distribution or data set as compared with numerical values alone.

• True

• False

It is better to find a positive correlation as opposed to a negative correlation.

• True

• False

Which of the following best describes the Mode?

• Sum of all values in a group

• Midpoint in a set of scores

• Number of subject collected

• Most frequently occurring value(s)

A standard deviation equal to 0 indicates no variance in your data.

• True

• False

This is another word for a single observation:

• a data point

• data

• a sample

• a population

If you have a standard deviation of 5, your variance will be:

• 25

• 4

• 5

• 625