STATISTICS

ORGANIZING THE DATA

1

It is the smallest data value that can go into the class

Lower class

2

It refers to the numerical width of any class in a particular distribution. It is define as the difference between the upper class limit and the lower class limit.

Class Interval

3

Classified into categories within a variable that have a natural rank order.

Ordinal Scale data

4

It defined as the total number of cases having any given score or a score that is lower.

Cumulative frequencies

5

Typically defined as the proportion of the score is greater than or equal to.

Percentile Ranks

MEASURING CENTRAL TENDENCY

1

The_______ is the average of a data set.

Mean

2

It is the best measure for regular distribution

Mean

3

The ______is the middle of the set of numbers.

Median

4

The ______ is the most common number in a data set.

Mode

5

It is not affected by extremely large or small values

Mode

MEASURING VARIABILITY

1

Values that are significantly higher or lower than the rest of data set

Outliers

2

It is the measure of variation based on measuring how far each data value deviates or is different from the mean

Standard Deviation

3

It is the measure of variation based on measuring how far each data value deviates or is different from the mean

Variance

4

The difference between the lowest and highest values

Range

5

a measure of where the "middle fifty" is in a data set

Interquartile Range

Social Research and the Use of Statistics

1

Characteristics of human behavior that differ or vary from one individual to another

Variables

2

Characteristics of an individual that does not vary

Constant

3

A tentative assumption made in order to draw out and test its logical or empirical consequences

hypothesis

4

The way in which measures vary across entire collection of people.

Aggregates

5

The _______of measurement involves naming or labelling-that is, placing cases into categories and counting their frequency of occurence

Nominal/Nominal level