The value that separates the lower 75% and upper 25% of the data is called the The first quartile separates the lower 25% and upper 75%. Third quartile, Q3 First quartile, Q1 Median mean
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The value that separates the lower 75% and upper 25% of the data is called the third quartile, or Q3. Show more…
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Given a set of data sorted from smallest to largest, define the first, second, and third quartiles. The first quartile is the mean of the lower half of the data below the median. The second quartile is the median. The third quartile is the mean of the upper half of the data above the median. The first quartile is the area within one standard deviation of the mean. The second quartile is the area within two standard deviations of the mean. The third quartile is the area within three standard deviations of the mean. The first quartile is the median of the lower half of the data below the overall median. The second quartile is the overall median. The third quartile is the median of the upper half of the data above the overall median. The first quartile is the area that contains the 25% of all values that are closest to the mean.
Krishna G.
The first quartile is
Ahmet Y.
In the boxplot shown below, what is the ratio of the range of values in the 75 th percentile and above to the range of values in the 25 th percentile and below?
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