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Criminal Justice And Criminology (Statistics) MCQ

Is positive skew a clustering of scores in the left-hand side of a distribution with some relatively large scores that pull the tail toward the positive side of the number line?

True

False

Answer

Correct Answer: True

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_____ is known as a set of scores that clusters in the center and tapers off to the left (negative) and right (positive) sides of the number line.

They explicitly help us organize data.

These measures are not important in statistics.

Normal distribution

None of these

Answer

Correct Answer: Normal distribution

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_____ is defined as a clustering of scores in the righthand side of a distribution with some relatively small scores that pull the tail toward the negative side of the number line.

Nominal variable

To figure out which type of statistic to use

Negative skew

None of these

Answer

Correct Answer: Negative skew

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_____ is the most frequently occurring category or value in a set of scores.

The t is several different curves, unlike a fixed z curve.

They are the same, they just have different letters.

None of these

Mode

Answer

Correct Answer: Mode

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Is midpoint of the magnitudes the property of the mean that causes all deviation scores based on the mean to sum to zero?

True

False

Answer

Correct Answer: True

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_____ is known as the score that cuts a distribution exactly in half such that 50% of the scores are above that value and 50% are below it.

None of these

Median

The slope coefficient

The standardized beta

Answer

Correct Answer: Median

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_____ is defined as descriptive statistics that offer information about where the scores in a particular data set tend to cluster. Examples include the mode, median, and mean.

Each group’s mean to each other group’s mean

All of these

Measures of central tendency

Grand means

Answer

Correct Answer: Measures of central tendency

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_____ is the arithmetic average of a set of data.

None of these

A number

An interval

Mean

Answer

Correct Answer: Mean

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Is deviation score the distance between the mean of a data set and any given raw score in that set?

True

False

Answer

Correct Answer: True

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Which of the following statements describes a positively skewed distribution?

Clusters in the middle of a distribution

Clusters on the left side of the distribution

Clusters on the right side of the distribution

Has a significant amount of positive and negative values

Answer

Correct Answer: Clusters on the left side of the distribution

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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

Answer

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

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

Mean

Median

Mode

None of these

Answer

Correct Answer: Mean

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

Interval

Ratio

Interval and ratio

None of these

Answer

Correct Answer: Interval and ratio

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

A category/label name

A number

An interval

A ratio

Answer

Correct Answer: A category/label name

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

Interval

Ordinal

Ratio

All of these

Answer

Correct Answer: All of these

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Which of the following is the strength of the mode?

Simplicity

Interpretability

Simplicity and interpretability

None of these

Answer

Correct Answer: Simplicity and interpretability

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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

Answer

Correct Answer: Deviation scores computed using the mean that always sum to zero

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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

Answer

Correct Answer: Sensitivity to extreme values makes measure unstable

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

Median

Standard deviation

Mode

Mean

Answer

Correct Answer: Standard deviation

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

True

False

Answer

Correct Answer: False

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The median can be used with nominal and ordinal data.

True

False

Answer

Correct Answer: False

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

True

False

Answer

Correct Answer: True

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

True

False

Answer

Correct Answer: True

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The mode is a measure of central tendency.

True

False

Answer

Correct Answer: True

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