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1、Mean, Median, Mode & RangeBy Monica YuskaitisVocabulary ReviewSum the answer to an addition problem.Addend the numbers you added together to get the sum.6 + 9 = 15Copyright 2000 by Monica YuskaitisDefinitionMeanMeansAverageCopyright 2000 by Monica YuskaitisDefinitionMean the average of a group of nu
2、mbers.2, 5, 2, 1, 5Mean = 3Copyright 2000 by Monica YuskaitisMean is found by evening out the numbers2, 5, 2, 1, 5Copyright 2000 by Monica YuskaitisMean is found by evening out the numbers2, 5, 2, 1, 5Copyright 2000 by Monica YuskaitisMean is found by evening out the numbers2, 5, 2, 1, 5mean = 3Copy
3、right 2000 by Monica YuskaitisHow to Find the Mean of a Group of NumbersStep 1 Add all the numbers.8, 10, 12, 18, 22, 268+10+12+18+22+26 = 96 Copyright 2000 by Monica YuskaitisHow to Find the Mean of a Group of NumbersStep 2 Divide the sum by the number of addends.8, 10, 12, 18, 22, 268+10+12+18+22+
4、26 = 96 How many addends are there?Copyright 2000 by Monica YuskaitisHow to Find the Mean of a Group of NumbersStep 2 Divide the sum by the number of addends.6)96sum# of addends1636663Copyright 2000 by Monica YuskaitisHow to Find the Mean of a Group of NumbersThe mean or average of these numbers is
5、16.8, 10, 12, 18, 22, 26Copyright 2000 by Monica YuskaitisWhat is the mean of these numbers?7, 10, 16 11Copyright 2000 by Monica YuskaitisWhat is the mean of these numbers?2, 9, 14, 2713Copyright 2000 by Monica YuskaitisWhat is the mean of these numbers?1, 2, 7, 11, 198Copyright 2000 by Monica Yuska
6、itisWhat is the mean of these numbers?26, 33, 41, 5238Copyright 2000 by Monica YuskaitisDefinitionMedianis in theMiddleCopyright 2000 by Monica YuskaitisDefinitionMedian the middle number in a set of ordered numbers.1, 3, 7, 10, 13Median = 7Copyright 2000 by Monica YuskaitisHow to Find the Median in
7、 a Group of NumbersStep 1 Arrange the numbers in order from least to greatest.21, 18, 24, 19, 27 18, 19, 21, 24, 27Copyright 2000 by Monica YuskaitisHow to Find the Median in a Group of NumbersStep 2 Find the middle number.21, 18, 24, 19, 27 18, 19, 21, 24, 27Copyright 2000 by Monica YuskaitisHow to
8、 Find the Median in a Group of NumbersStep 2 Find the middle number.18, 19, 21, 24, 27This is your median number.Copyright 2000 by Monica YuskaitisHow to Find the Median in a Group of NumbersStep 3 If there are two middle numbers, find the mean of these two numbers.18, 19, 21, 25, 27, 28Copyright 20
9、00 by Monica YuskaitisHow to Find the Median in a Group of NumbersStep 3 If there are two middle numbers, find the mean of these two numbers.21+ 25 = 46 2)46 23medianCopyright 2000 by Monica YuskaitisWhat is the median of these numbers?16, 10, 7 107, 10, 16 Copyright 2000 by Monica YuskaitisWhat is
10、the median of these numbers?29, 8, 4, 11, 19 114, 8, 11, 19, 29 Copyright 2000 by Monica YuskaitisWhat is the median of these numbers?31, 7, 2, 12, 14, 19 132, 7, 12, 14, 19, 3112 + 14 = 262)26Copyright 2000 by Monica YuskaitisWhat is the median of these numbers?53, 5, 81, 67, 25, 78 6053 + 67 = 120
11、 2)1205, 25, 53, 67, 78, 81 Copyright 2000 by Monica YuskaitisDefinitionModeis the mostPopularCopyright 2000 by Monica YuskaitisDefinitionA la mode the most popular or that which is in fashion.Baseball caps are a la mode today.Copyright 2000 by Monica YuskaitisDefinitionMode the number that appears
12、most frequently in a set of numbers.1, 1, 3, 7, 10, 13Mode = 1Copyright 2000 by Monica YuskaitisHow to Find the Mode in a Group of NumbersStep 1 Arrange the numbers in order from least to greatest.21, 18, 24, 19, 18 18, 18, 19, 21, 24Copyright 2000 by Monica YuskaitisHow to Find the Mode in a Group
13、of NumbersStep 2 Find the number that is repeated the most.21, 18, 24, 19, 18 18, 18, 19, 21, 24 Copyright 2000 by Monica YuskaitisWhich number is the mode?29, 8, 4, 8, 19 84, 8, 8, 19, 29 Copyright 2000 by Monica YuskaitisWhich number is the mode?1, 2, 2, 9, 9, 4, 9, 10 91, 2, 2, 4, 9, 9, 9, 10 Cop
14、yright 2000 by Monica YuskaitisWhich number is the mode?22, 21, 27, 31, 21, 32 2121, 21, 22, 27, 31, 32Copyright 2000 by Monica YuskaitisDefinitionRangeis the distanceBetweenCopyright 2000 by Monica YuskaitisDefinitionRange the difference between the greatest and the least value in a set of numbers.
15、1, 1, 3, 7, 10, 13Range = 12Copyright 2000 by Monica YuskaitisHow to Find the Range in a Group of NumbersStep 1 Arrange the numbers in order from least to greatest.21, 18, 24, 19, 27 18, 19, 21, 24, 27Copyright 2000 by Monica YuskaitisHow to Find the Range in a Group of NumbersStep 2 Find the lowest
16、 and highest numbers.21, 18, 24, 19, 27 18, 19, 21, 24, 27Copyright 2000 by Monica YuskaitisHow to Find the Range in a Group of NumbersStep 3 Find the difference between these 2 numbers.18, 19, 21, 24, 2727 18 = 9The range is 9Copyright 2000 by Monica YuskaitisWhat is the range?29, 8, 4, 8, 19 29 4
17、= 254, 8, 8, 19, 29 Copyright 2000 by Monica YuskaitisWhat is the range?22, 21, 27, 31, 21, 32 32 21 = 1121, 21, 22, 27, 31, 32Copyright 2000 by Monica YuskaitisWhat is the range?31, 8, 3, 11, 19 31 3 = 283, 8, 11, 19, 31 Copyright 2000 by Monica YuskaitisWhat is the range?23, 7, 9, 41, 19 41 7 = 347, 9, 23, 19, 41 Copyright 2000 by Monica YuskaitisCreditsClipart from ClickArt 125,000, T/Maker Company of Broderbund Software, Inc.Copyright 2000 by Monica YuskaitisCreditsClipart from ClickArt 125,000, T/Maker Company of Broderbund Software, Inc.Copyright 2000 by Monica Yuskaitis
