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Statistical Measurses
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What is the mean of the data set: 6.5, 6.4, 6.6, 6.7, 6.1, 6.3, 6.2
.6.4
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What is the median of the data set? {22, 33, 44, 55, 22, 33, 44}
33
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How do you find the mean of a data set?
Add all the numbers up, and divide by how many data points are in the set
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What is the mean of the following data set : {2, 4, 6, 8}
Mean: 5
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How do you find the mode of a data set?
The mode of the data set is the number(s) that appear the most often.
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What is the range of the following data set: 4, 6, 8, 7, 1, 0, 6?
8
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What is the mean of the data set? {5, 2, 0, 2, 8, 7}
4
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What is the range of the data set? {5.5, 6.8, 12.5, 44.3, 6, 47.6}
42.1
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What is the mode of the data set? {7, 4, 1, 3, 1, 5, 7, 3, 8, 5, 7}
7
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If there are two numbers in the middle to find median, what do you do?
Find the mean of the 2 numbers in the middle.
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What is the mean of the data set? {.1, .2, .3, .4, .6, .2}
.3
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Is it possible to have no mode?
Yes! When no number is in the list more than other numbers
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What is the range of the data set? {1, 3, 5, 68, 7}
67
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What is the mode of the following data set? 40, 64, 55, 40, 64, 40, 64, 7, 88, 55
40 and 64
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What is the median of the data set? {5,1, 2, 0, 2, 8, 7}
2
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What is the mode of the data set? {1.1, 2.3, 4.5, 1.1, 6.7, 2.3, 4.5, 2.3}
2.3
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What is the mean of the data set? {0, 0, 1, 2, 1, 4, 1, 0, 5, 16}
3
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What is the range of the data set? {8, 23, 66, 90}
82
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What is the range of the data set? {100, 200, 300, 200, 350, 200, 100, 250}
250
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How do you find the median of the data set?
Put the numbers in order, then determine the center of the set
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