Flashcards

Chapter 22 key words

lekia Idigima English 15 cards

Cards in this deck (15)

1Bar GraphVisual representation using horizontal or vertical bars to make comparison or to show relationship on items of similar makeup.
2Circle GraphA visual representation of the parts to the whole
3Empirical RuleFor a normal distribution, nearly all the data fall within three standard deviations of the mean.
4Frequency DistributionShows by table the number of times event(s) occurs.
5Index NumbersExpress the relative changes in a variable compared with some base, which is taken as 100.
6Line GraphA graphical presentation that involves a time element. Shows trends, failures, backlogs, and the like.
7MeanStatistical term that is focused by: Mean = Sum of all values/ # of values
8Measure of dispersionNumber that describes how the numbers of a set of data are spread out or dispersed
9MedianStatistical term the represents the central point or midpoint of a series of numbers.
10ModeValue that occurs most often in a series of numbers.
11Normal DistributionData are spread symmetrically about the mean.
12Price RelativeThe quotient of the current price divided by some previous year's price -- the base year -- multiplied by 100
13Rangedifference between the highest and lowest values in a group of values or set of data.
14Standard DeviationMeasure the spread of data around the mean.
15Weight MeanUsed to find an average when values appear more than once.