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| 3 things to look at when looking at distribution |
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Definition
1. Shape
2. Center
3. Spread |
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| Computed by determining the sum of all the values of the variable in the data set and dividing by the number of observations |
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| Population arithmetic mean |
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Definition
| Computing mean (mew) using all the individuals in a population |
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Definition
| Computing mean (x-bar) using sample data |
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| The value that lies in the middle of the data when arranged in ascending order (M) |
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| A numerical summary of data is resistant if |
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Definition
| Extreme values relative to the data do not affect its value substantially |
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| Mean smaller than median is skewed |
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Definition
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| Mean larger than media is skewed |
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Definition
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| Mean roughly equal to median is |
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| The most frequent observation of the variable that occurs in the data set |
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| If no observation of a data set occurs more than once |
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Definition
| A data set with two modes that occur in the highest frequency |
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Term
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Definition
| A data set with three or more data values that occur in the highest frequency |
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