unit 3

unit 3 vocabulary

30 cards·by qc16.zwatson

frequency

the rate at which something occurs over a specific amount of time

caliper

a measuring instrament having 2 adjustable jaws used to measure thickness and diameter

graph

a diagram showing the relation between variable quantities typically of two variables measured along pairs of lines at right angles

scatter plot

a graph in the coordinate plane represented a set of bivariate data

normal distribution

a function that represents the distribution of variables as a symetrical bell shaped graph

variation

a change or slight difference in condition amount or level

mean

a measure of center in a set of numerical data computed by adding the values in a list and then dividing by the a mount of #s

median

the value that appears to be in middle of all the data

mode

most frequent in a data set

histogram

a graph of vertical bars representing the frequency distribution of the data set

data

facts and statistics that have been recorded

accuracy

the degree of closeness of measurement compared to actual measurements

unit

a standard quanity in terms of which other quantities are expressed

scale

a proportion in which 2 dimensions are measured by

arrowheads

used to indicate the end of a dimension line or leader

dot plots

a method of visually displaying a contribution of data values where each thing of data is displayed by a dot or mark

dimension

a measurable extent such as height width and depth

line plot

also known as line plot (dot plot)

precision

the degree of which repeated measurements as a result

standard deviation

the distance of a value in a population from the mean average

statistics

collections of methods for planning experiments obtaining data organizing summarizing planning

measure

to determine size length or degree by using standard unit

convert

to change money stocks or units in which a quanity is expressed to others

data set

a group of individual values or bits of info that are the same in some way or similar characteristics

class interval

a group of values that is used to analyze distribution of data

signifigant digits

the digits in a decimal that carry meaning contributing to the precision or accuracy of a number

numeric constraint

a number value or algeabreic expression that is used used to track size or location

dimension lines

line represents distance

iso

a nongovernmental organization whose principal activity is to develope technical standards

international system of units

an international based system considering seven base units