Mean Charts and Range Charts Complement One Another, One Detecting

question 54

True/False

Mean charts and range charts complement one another, one detecting shifts in process average, the other detecting shifts in process dispersion.

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Definitions:

FIFO Perpetual

An inventory valuation method where the first items purchased (First In) are the first ones to be used or sold (First Out) on a continuous basis.

LIFO Perpetual

A method of inventory valuation which assumes that the last items placed in inventory are the first ones sold, applied continuously throughout the accounting period.

Weighted Average

This is a calculation method that takes into account the varying degrees of importance of the numbers in a data set, giving different weights to some of the data points.

Moving Average

A calculation used to analyze data points by creating a series of averages of different subsets of the full data set.