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Ch. 2: Describing Data with Numerical Values

Across
A visual graph using the 5-number summary
A measurement for a population or sample showing the dispersion of data
Arithmetic average
Consists of min, Q1, median, Q3, and max values of a data set
A round-shaped, symmetric dispersion of measurements
A Russian mathematician who said a certain # of measurements will always lie within k standard deviations of the mean
Abbreviation for the difference between Q3 and Q1
Measures associated with a sample
Measures the distance between a measurement and the mean, in terms of standard deviations
An example would be a Z Score greater than 2 or less than -2
Down
Another word for dispersion
Measures associated with a population
The category that occurs most frequently
The square root of the variance
Especially useful measure of standing for large data sets
The middle value in a set of measurements
Name for 25th and, 50th, and 75th percentile
The difference between the largest and smallest measurements in a set of data