Stats Unit 1 review

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10 Terms

1
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mean, median, and mode all measure _____

the center of a dataset (average)

2
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mean

the average number, sum of all data points divided by the number of them

3
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median

the middle number of the dataset when numbers ordered smallest-largest

4
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mode

the most frequent occuring number

5
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central tendency

the tendency of data to cluster around certain measurements

6
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which measure of central tendency is best for data with outliers

median

7
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variability

spread of the data

8
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how does the datas skew affect mean and median

skewed left: mean is smaller than median skewed right: mean is larger than median

9
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which is more sensitive to outliers, mean or median

mean

10
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measures of variability (spread)

standard deviation, IQR , range