Frequency Distributions

Question 1

It is an organized tabulation of the number of individuals located in each category on the scale of measurement.

Answer 1

Frequency Distribution

Question 2

The column heading for the frequencies.

Answer 2

f

Question 3

It measures the fraction of the total group that is associated with each score.

Answer 3

Proportion

Question 4

These are proportions describe the frequency in relation to the total number.

Answer 4

Relative Frequencies

Question 5

It can be included in a frequency distribution table by adding a column headed with %.

Answer 5

Percentages

Question 6

A frequency distribution table presenting groups of scores rather than individual values.

Answer 6

Grouped Frequency Distribution Table

Question 7

The groups or intervals in a grouped frequency distribution table.

Answer 7

Class Intervals

Question 8

It appears that they form the upper and lower boundaries for the class interval.

Answer 8

Apparent Limits

Question 9

2 types of Graphs

Answer 9

1. Histograms
2. Polygons

Question 10

It is where you first list the numerical scores along the X-axis.

Answer 10

Histograms

Question 11

A slight modification to the traditional histogram that produces a very easy to draw and it’s simple to understand.

Answer 11

Modified Histogram

Question 12

A second option for graphing a distribution of numerical scores from an interval or ratio scale of measurement.

Answer 12

Polygon

Question 13

It is essentially the same as a histogram, except that spaces are left between adjacent bars.

Answer 13

Bar Graphs

Question 14

2 special feature for population distributions

Answer 14

1. Relative Frequencies
2. Smooth Curves

Question 15

It is often obtained rather than the absolute frequency for each scores in a population.

Answer 15

Relative Frequencies

Question 16

It is drawn when a population consists of numerical scores from an interval or a ratio scale.

Answer 16

Smooth Curves

Question 17

3 characteristics of a distribution

Answer 17

1. Shape
2. Central Tendency
3. Variability

Question 18

It measures where the center of the distribution if located.

Answer 18

Central Tendency

Question 19

It measures the degree to which the scores are spread over a wide range or are clustered together.

Answer 19

Variability

Question 20

It is defined by an equation that prescribes the exact relationship between each X and Y value on the graph.

Answer 20

Shape

Question 21

It is possible to draw a vertical line through the middle so that one side of the distribution is a mirror image of the other.

Answer 21

Symmetrical Distribution

Question 22

The scores that tend to pile up toward one end of the scale and taper off gradually at the other end.

Answer 22

Skewed Distribution

Question 23

The section where the scores taper off toward one end of a distribution.

Answer 23

Tail of the Distribution

Question 24

A skewed distribution with the tail on the right-hand side.

Answer 24

Positively Skewed Distribution

Question 25

The distribution if the tail points to the left.

Answer 25

Negatively Skewed Distribution

Question 26

These are individual scores or X-values.

Answer 26

Raw Scores

Question 27

It is defined as the percentage of individuals in the distribution with scores at or below the particular value.

Answer 27

Rank/Percentile Rank

Question 28

It is when a score is identified by its percentile rank.

Answer 28

Percentile

Question 29

A resulting values that represent the accumulation of individuals as you move up the scale.

Answer 29

Cumulative Frequencies

Question 30

A resulting value that show the percentages of individuals who are accumulated as you move up the scale.

Answer 30

Cumulative Percentages

Question 31

He presented a technique for organizing data that provides a simple alternative to a grouped frequency distribution table or graph.

Answer 31

John W. Turkey

Question 32

This technique requires that each score be separated into 2 parts.

Answer 32

Stem and Leaf Display

Question 33

The first digit(s).

Answer 33

Stem

Question 34

The last digit .

Answer 34

Leaf