Karteikarten
Ch. 22 Key Terms
Karten in diesem Stapel (15)
- 1MeanStatistical term that is found by: Sum of all figures ÷ Number of figures
- 2Weighted MeanUsed to find an average when values appear more than once
- 3MedianStatistical term that represents the central point or midpoint of a series of numbers
- 4ModeValue that occurs most often in a series of numbers
- 5Bar GraphVisual representation using horizontal or vertical bars to make comparison or to show relationship on items of similar makeup
- 6Line GraphGraphical presentation that involves a time element. Shows trends, failures, backlogs, and the like
- 7Circle GraphA visual representation of the parts to the whole
- 8Index numbersExpress the relative changes in a variable compared with some base, which is taken as 100
- 9Price relativeThe quotient of the current price divided by some previous year’s price—the base year—multiplied by 100
- 10Measure of dispersionNumber that describes how the numbers of a set of data are spread out or dispersed
- 11RangeDifference between the highest and lowest values in a group of values or set of data
- 12Standard deviationMeasures the spread of data around the mean
- 13Normal distributionData are spread symmetrically about the mean
- 14Empirical RuleFor a normal distribution, nearly all the data fall within three standard deviations of the mean
- 15Frequency distributionShows by table the number of times event(s) occurs