Chap 5 Standardization and Z scores

Question 1

Percentile

Answer 1

Scores that indicate the point in a distribution at which a particular percentage of the scores in the distribution fall above and below.
e.g. the score that marks the 50th percentile in a distribution indicates that 50 % of the scores in that distribution fall above that score and 50% fall below it.

Question 2

Raw Scores

Answer 2

These are the individual observed scores on measured variables.

Question 3

Standard Score

Answer 3

A raw score that has been converted into a Z score by subtracting it from the mean and dividing by the standard deviation of the distribution. It is a individual score expressed as a deviation from the mean in standard deviation units.

Question 4

Standardization

Answer 4

The process of converting a raw score into a standard score.

Question 5

z score

Answer 5

Another term for a standard score

Question 6

z

Answer 6

A standard score

Question 7

X

Answer 7

The raw score

Question 8

μ

Answer 8

The population mean

Question 9

σ

Answer 9

The population Standard Deviation