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Statistics Flashcards

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697110268MeanAverage - sum (+) of the data divided by the numbers of numbers in your data0
697110271MedianWhen all the numbers are in order... it is the middle number. If there are 2 numbers in the middle - average them.1
697110274ModeThe number that appears the MOst. May be one number, two numbers or no mode.2
698829972RangeDifference (subtract) between the highest and lowest number3
698829975Measures of Central TendencyMean, Median, Mode are your choices. Choose the mean when no OUTLIER Choose the median when you have an OUTLIER:)4
698831131OutlierWhen one of the numbers is extreme5
1038457863Relative Frequencyhow often something happens out of ALL OUTCOMES6
1038457864Dot Plotgraph with each individual entry7
1038488303Histogrambar graphs with bars touching each other8
1038488304Box Plotalso called a box and whisker plot 5 number summary all dealing with the medians, Q1, Q2, Q3, max and min9
1038488305symmetriccalled a bell curve each 1/2 of graph matches the shape of the other 1/210
1038488306skewed rightmean > median bunch is on the left of graph tail of data is on the right11
1038488307skewed leftmean < median bunch is on the right of graph tail of data is on the left12
1038488308normal distributionmean = median bell shape13
1038488309standard deviationmeasures how spread out the data is in relationship to the mean14
1038488310conditional relative frequencybased only on a specific row or column in a 2 way table15

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