Exam 3: Statistical Methods, Averages, and Measures of Dispersion

Range =-----

------ is considered to best average

Range is an ---- measure

---- cannot be computed in the case of open ended distribution

----- is ill-defined

Simplest possible measure of dispersion is

------ is capable of more algebraic treatment

Statistical methods are most dangerous tools in the hands of

---- are known as averages of first order

Measures of dispersion are statistical devices to measure the ----- in a series

The most commonly used relative measure of dispersion

Median is a ----- average

In ---- signs are ignored

Find range from the following values 23 ,32 ,85, 32, 42, 10, 20, 18, 28

------ is used in averaging rates , times etc

----- is not capable of algebraic treatment

----- divides the data into 4 equal parts

Weighted averages are used in the calculation of

----- is defined as the reciprocal of the mean of the reciprocal of these values

--- is used in quality control