Criminal Justice and Criminology (Statistics) Quiz # 2

Prevalence is defined as a raw count of the number of times a particular characteristic appears in a data set.

True

False

Prevalence is defined as a raw count of the number of times a particular characteristic appears in a data set.

True

False

Pie charts can be used with continuous data.

True

False

A histogram has spaces between bars.

True

False

Grouping data are helpful because it transforms ordinal data into continuous data.

True

False

Longitudinal variables are variables that are measured over time.

True

False

Which of the following is a characteristic of bar graphs?

Meant to be used with categorical data

Does not limit the number of classes a variable can contain

Should be used when six or more classes of data exist

All of these

Which of the following statements describes a rate?

How fast something goes

A method of standardization that involves dividing the number of events of interest by the population

An interval

A longitudinally measured concept

How many variables are depicted in a univariate display?

1

2

3

Which of the following describes how bivariate contingency displays can be computed?

Rows

Columns

Rows and columns

None of these

A line chart presents what type of data?

Longitudinal

Cross-sectional

Continuous

Categorical

Which of the following is not a step in the process of grouping data?

Finding the range of data

Selecting the desired intervals

Setting class limits

Transforming the data into z-scores

Which of the following is an issue when constructing class limits?

They must be inclusive.

They must be exhaustive.

They must be mutually exclusive.

All of these

Which of the following depicts the range of percentages?

0.00–1.00

0.00–100.00

They have no range.

They have infinite range.

Which of the following statements indicate why raw frequencies are of limited use in graphical displays?

They are difficult to interpret.

They are not accurate.

They provide too much information.

None of these

Which type of data is best presented in a pie chart?

Categorical

Continuous

Ratio level

All of these

The mode is a measure of central tendency.

True

False

Using the mean to examine data is advantageous because it uses the entire data set.

True

False

The normal distribution, positively skewed distribution, and negatively skewed distribution are three main types of distributions.

True

False

The median can be used with nominal and ordinal data.

True

False

When N (sample size) is an even number the median will be a value in the data set.

True

False

Which of the following is NOT a measure of Central Tendency?

Median

Standard deviation

Mode

Mean

Which of the following is a disadvantage of using the mean?

Sensitivity to extreme values makes measure unstable

Uses the entire data set

The mean forms the basis for further computations of data

All of these

The mean as the magnitude of the midpoint is defined as ______.

The median

Deviation scores computed using the mean that always sum to zero

How the scores vary from one another

The mean acts as a fulcrum of data

Which of the following is the strength of the mode?

Simplicity

Interpretability

Simplicity and interpretability

None of these

The median can be determined in which of the following levels of measurement?

Interval

Ordinal

Ratio

All of these

Which of the following represents the mode of a categorical variable?

A category/label name

A number

An interval

A ratio

The mean can be calculated with which of the following levels of measurement?

Interval

Ratio

Interval and ratio

None of these

Which of the following measures of central tendency is the analytical foundation of most hypothesis tests?

Mean

Median

Mode

None of these

Deviation scores are comprised of which of the following?

The absolute value of the score

Whether the raw score is associated with the mean

The absolute value of the score and whether the raw score is associated with the mean

None of these