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The simplest measure of dispersion is __________.
Range.
Variance is defined as the __________ squared deviation from the mean.
Average.
The formula for population variance is __________.
σ² = Σ(Xi - μ)² / N.
The semi-interquartile range is one-half of the distance between __________ and __________.
the 1st quartile (Q1) and the 3rd quartile (Q3).
A specific statistical description of how data is spread is known as __________.
Variance.
Standard deviation is the __________ of the variance.
Square root.
An outlier is any score that is __________ extreme compared to the rest of the scores in a distribution.
Unusually.
In a box plot, the median is represented by a __________ line in the center of the box.
Vertical.
The distance between the largest and smallest scores is called __________.
Range.
The semi-interquartile range is denoted by __________.
Q ! = !# − !% 2.
Outliers are represented by __________ in a box plot.
Asterisks.
Classical measures of variability include range, variance, standard deviation, and __________.
Semi-interquartile range.
The formula for calculating sample variance is __________.
s² = Σ(Xi - X̄)² / (n - 1).
In the context of the distributions, high variability leads to __________ observations in the middle.
Fewer.
The interquartile range (IQR) helps determine the __________ of outliers.
Presence.
Values used to calculate the semi-interquartile range are called __________.
Quartiles.
Calculating the standard deviation involves taking the __________ from the mean.
Deviation.
When data is skewed, the standard deviation may give a __________ representation of variability.
Biased.
The box plot visualizes key statistics including median, quartiles, and __________.
Outliers.
