Measures of Center
This measure of center is the average of all individual data values.
What is the mean?
This is the distance between the minimum and maximum values in a data set.
What is the range?
You start calculating standard deviation by finding this value of the distribution.
What is the mean?
This divides the ordered data set into four groups with roughly the same number of values.
What are quartiles?
To find this measure of center, you arrange data values from smallest to largest and find the middle value.
What is the median?
This measure represents the typical distance of values from the mean.
What is the standard deviation?
Calculate this for each value from the mean during the standard deviation process.
What is the deviation?
Outliers can be identified using _____ times ____ rule.
What is 1.5 × IQR?
This Greek letter notation, μ, refers to the mean of this kind of data set.
What is a population?
This acronym represents the distance between the first and third quartiles.
What is the IQR (Interquartile Range)?
You do this to each deviation before adding them up in standard deviation calculation.
What is squaring?
This is the name of the visual representation of the five-number summary.
What is a boxplot?
A number that describes a characteristic of a sample is called this.
What is a statistic?
This step involves finding the median of the lower half of the data when calculating IQR.
What is finding Q1?
After adding all squared deviations, you divide by this quantity to get the variance.
What is n - 1?
Name two things boxplots do NOT show (choose any two):
What is the shape of distribution and individual data points? (Common acceptable answers include "mean," "individual data points," or "distribution shape.")
A number that describes a characteristic of a population is called this.
What is a parameter?
This is the interpretation of IQR: it tells you the range of this portion of the data.
What is the middle half of the data?
Taking this of the variance gives you the standard deviation.
What is the square root?
The five-number summary includes minimum, first quartile, median, third quartile, and this last number.
What is the maximum?