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Descriptive Statistics is used to denote any of the many techniques used to summarize a set of data. In a sense, we are using the data on members of a set to describe the set. The techniques are commonly classified as: |
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Descriptive statistics is used to denote any of the many techniques used to summarize a set of data. In a sense, we are using the data on members of a set to describe the set. The techniques are commonly classified as: |
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#We want to choose a statistic that shows how different units seem similar. Statistical textbooks call the solution to this objective, a measure of central tendency. |
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#We want to choose a statistic that shows how different units seem similar. Statistical textbooks call the solution to this objective, a measure of central tendency. |
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When we are summarizing a quantity like length or weight or age, it is common to answer the first question with the arithmetic mean, the median, or the mode. Sometimes, we choose specific values from the cumulative distribution function called quantiles. |
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When we are summarizing a quantity like length or weight or age, it is common to answer the first question with the arithmetic mean, the median, or the mode. Sometimes, we choose specific values from the cumulative distribution function called quantiles. |
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The most common measures of variability for [quantitative data]? are the variance, its square root, the standard deviation, the statistical range, interquartile range, and the [absolute deviation]?. |
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The most common measures of variability for [quantitative data]? are the variance; its square root, the standard deviation; the statistical range; interquartile range; and the [absolute deviation]?. |
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