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algebra alach statistics explained Measures of central tendency are numbers that represent a data set. example data set: 5, 10, 15, 30, 7, 11, 7, 3, 2, 7, 5 Mean aka Average step STOP calculate the sum of the data. step Divide the sum by the amount of data values. 102/11 = 9.27 Median step Sort the data. step Find the value in the middle. 2,3,5,5,7,7,7, 10, 11, 15, 30 step if the size of the data set is even, take the mean of the two middle values. Mode step Find the value that appears most frequently in the data set. 5, 10, 15, 30, 7, 11, 7, 3, 2, 7, 57 Stem and Leaf Plot step Draw a vertical line 5+10+15+30+7+11+7+3+2+7+5 = 102 step on the left, list the values of the tens places that exist in the data set. step on the right, list the ones place values next to their corresponding tens value. step Arrange the right side so the values are in order. - Box and Whisker Plot example data set: 2, 4, 3, 17, 10, 35, 8, 12, 19, 25, 24, 31, 37 minimum/ lower extreme 0 2348 1 0279 lower quartile upper quartile median of first half median median of second half step Draw a number line from the minimum to the maximum. step Find the five values. Mark them on the number line. step Draw the box and whiskers. 2 3 45 157 maximum/ upper extreme
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Learn the mean, median, and mode
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Learn the mean, median, and mode
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algebra alach statistics explained Measures of central tendency are numbers that represent a data set. example data set: 5, 10, 15, 30, 7, 11, 7, 3, 2, 7, 5 Mean aka Average step STOP calculate the sum of the data. step Divide the sum by the amount of data values. 102/11 = 9.27 Median step Sort the data. step Find the value in the middle. 2,3,5,5,7,7,7, 10, 11, 15, 30 step if the size of the data set is even, take the mean of the two middle values. Mode step Find the value that appears most frequently in the data set. 5, 10, 15, 30, 7, 11, 7, 3, 2, 7, 57 Stem and Leaf Plot step Draw a vertical line 5+10+15+30+7+11+7+3+2+7+5 = 102 step on the left, list the values of the tens places that exist in the data set. step on the right, list the ones place values next to their corresponding tens value. step Arrange the right side so the values are in order. - Box and Whisker Plot example data set: 2, 4, 3, 17, 10, 35, 8, 12, 19, 25, 24, 31, 37 minimum/ lower extreme 0 2348 1 0279 lower quartile upper quartile median of first half median median of second half step Draw a number line from the minimum to the maximum. step Find the five values. Mark them on the number line. step Draw the box and whiskers. 2 3 45 157 maximum/ upper extreme
algebra alach statistics explained Measures of central tendency are numbers that represent a data set. example data set: 5, 10, 15, 30, 7, 11, 7, 3, 2, 7, 5 Mean aka Average step STOP calculate the sum of the data. step Divide the sum by the amount of data values. 102/11 = 9.27 Median step Sort the data. step Find the value in the middle. 2,3,5,5,7,7,7, 10, 11, 15, 30 step if the size of the data set is even, take the mean of the two middle values. Mode step Find the value that appears most frequently in the data set. 5, 10, 15, 30, 7, 11, 7, 3, 2, 7, 57 Stem and Leaf Plot step Draw a vertical line 5+10+15+30+7+11+7+3+2+7+5 = 102 step on the left, list the values of the tens places that exist in the data set. step on the right, list the ones place values next to their corresponding tens value. step Arrange the right side so the values are in order. - Box and Whisker Plot example data set: 2, 4, 3, 17, 10, 35, 8, 12, 19, 25, 24, 31, 37 minimum/ lower extreme 0 2348 1 0279 lower quartile upper quartile median of first half median median of second half step Draw a number line from the minimum to the maximum. step Find the five values. Mark them on the number line. step Draw the box and whiskers. 2 3 45 157 maximum/ upper extreme
Can't find what you're looking for? Explore other subjects.
Knowunity is the # 1 ranked education app in five European countries
Knowunity was a featured story by Apple and has consistently topped the app store charts within the education category in Germany, Italy, Poland, Switzerland and United Kingdom. Join Knowunity today and help millions of students around the world.
Still not sure? Look at what your fellow peers are saying...
iOS User
I love this app so much [...] I recommend Knowunity to everyone!!! I went from a C to an A with it :D
Stefan S, iOS User
The application is very simple and well designed. So far I have found what I was looking for :D
SuSSan, iOS User