> > Criminal Justice And Criminology (Statistics) In The United States MCQs > Measures of Dispersion MCQs

Measures of Dispersion MCQ

Appropriate measure of dispersion to use when variables are measured at the _____ level is known as Variation Ratio.

Nominal

Ordinal

Interval

Both a and b

Answer

Correct Answer: Both a and b

Note: This Question is unanswered, help us to find answer for this one

Variance measures the ______ deviations from the mean for an interval/ratio variable.

Summed squared

Average squared

Average square root

None of these

Answer

Correct Answer: Average squared

Note: This Question is unanswered, help us to find answer for this one

Square root of the squared deviations about the mean is known as _____

Variance

Standard Deviation

Standard Error

None of these

Answer

Correct Answer: Standard Deviation

Note: This Question is unanswered, help us to find answer for this one

Range is a measure of dispersion appropriate for ______ level data.

Interval

Ratio

Both

None

Answer

Correct Answer: Both

Note: This Question is unanswered, help us to find answer for this one

Q3 is the ______percentile in a distribution of scores.

100

Answer

Correct Answer: 75

Note: This Question is unanswered, help us to find answer for this one

Q2 is the second quartile or the 50th percentile, also called the_____ , in a distribution of scores.

Mean

Median

Mode

Range

Answer

Correct Answer: Median

Note: This Question is unanswered, help us to find answer for this one

Q1 is ______ percentile in a distribution of scores.

100

Answer

Correct Answer: 25

Note: This Question is unanswered, help us to find answer for this one

______ capture how different the values of a variable are.

Measure of Deviation

Measure of Dispersion

Measure of Variability

None of these

Answer

Correct Answer: Measure of Dispersion

Note: This Question is unanswered, help us to find answer for this one

Mean Deviation Score is the distance between a score and the _____ of the group of scores.

Mean

Sum of mean

Square of mean

Sum of square of mean

Answer

Correct Answer: Mean

Note: This Question is unanswered, help us to find answer for this one

IQR is a measure of dispersion appropriate for interval/ ratio-level data. It measures the range of scores in the middle 50% of a distribution of continuous scores and is calculated as the difference between the score at the third quartile (the 75th percentile) and the score at the _____ percentile.

100

Answer

Correct Answer: 25

Note: This Question is unanswered, help us to find answer for this one

Graphical technique to display the distribution of a variable that is part of the exploratory data analysis (EDA) family is known as Boxplot.

True

False

Answer

Correct Answer: True

Note: This Question is unanswered, help us to find answer for this one