Central Tendency

Question 1

It is a statistical measure to determine a single score that defines the center of a distribution.

Answer 1

Central Tendency

Question 2

It is the sum of the scores divided by the number of scores.

Answer 2

Mean

Question 3

2 alternative definitions of Mean

Answer 3

1. Dividing the Total Equally
2. The Mean as a Balance Point

Question 4

It is the calculated overall mean when one makes a larger contribution to the total group and therefore carries more weight.

Answer 4

Weighted Mean

Question 5

4 Characteristics of the Mean

Answer 5

1. Changing a Score
2. Introducing a New Score or Removing a Score
3. Adding or Subtracting a Constant from Each Score
4. Multiplying or Dividing Each Score by a Constant

Question 6

The midpoint of the list if the scores in a distribution are listed in order from smallest to largest and if the point on the measurement scale below which 50% of the scores in the distribution are located.

Answer 6

Median

Question 7

The score or category that has the greatest frequency in a frequency distribution.

Answer 7

Mode

Question 8

A distribution with two modes.

Answer 8

Bimodal

Question 9

A distribution with two or more modes.

Answer 9

Multimodal

Question 10

The taller peak of frequency mode.

Answer 10

Major Mode

Question 11

The shorter peak of frequency mode.

Answer 11

Minor Mode

Question 12

4 situation to use Median

Answer 12

1. Extreme Scores or Skewed Distributions
2. Undetermined Values
3. Open-Ended Distributions
4. Ordinal Scale

Question 13

3 situations to use Mode

Answer 13

1. Nominal Scale
2. Discrete Variables
3. Describing Shape

Question 14

2 general types of distributions

Answer 14

1. Symmetrical Distribution
2. Skewed Distribution

Question 15

It is where the right-hand side of the graph is a mirror image of the left-hand side.

Answer 15

Symmetrical Distribution

Question 16

It is where there is a strong tendency for the mean, median, and mode to be located in predictably different positions.

Answer 16

Skewed Distributions

Question 17

Its highest frequency is on the left-had side.

Answer 17

Positively Skewed Distribution

Question 18

It is lopsided up on the right-hand side.

Answer 18

Negatively Skewed Distribution

Question 19

3 Measures of Central Tendency

Answer 19

1. Mode
2. Median
3. Mean