INTRODUCTORY STATISTICS

Matching (4 Points Each)

___ Second Quartile

A.A _______ separates a set of sample values into 100 equal subsets?

___ Five-Number Summary

B.If the _______ salary for managers of convenience stores is $52,500, this means that half the managers receive salaries above $52,500 and half below.

___Standard Deviation

C.The __________ is the same as the median.

___ Dispersion

D.An arrangement of values in numerical order, either ascending or descending is called what?

___ Percentile

E.The variance is the square of which measure of dispersion?

___ Median

F.Measures of_________ give information on the spread of data values around the average or center.

___ Ordered Array

G.A __________ is found by adding up all the values in the sample and dividing by the number of values.

___ Relative Frequency

H.Dividing each class frequency by the total number of observations gives what?

___ Sample Mean

I.The average of the upper and lower class boundaries in a frequency distribution is called the _______?

___ Midpoint

J.The ____________________ consists of the smallest observation, the first quartile, the median, the third quartile, and the largest observation.