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Range and box-and-whisker plots - WJEC
The interquartile range is another measure of spread, except that it has the added advantage of not being affected by large outlying values. In order to calculate this value we must first ...
Simon Fraser University7y
Example 4. Creating and Modifying Box Plots
The first plot in the example uses a SYMBOL definition with INTERPOL=BOXT20 to specify a box plot with whisker tops at the 80th percentile and whisker bottoms at the 20th percentile. Data points that ...
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Range and box-and-whisker plots - WJECTest questions
Sampling data - Intermediate & Higher tier - WJEC Cumulative frequency – Intermediate & Higher tier - WJEC Averages and range - WJEC Discussing results - WJEC Mean, median and mode ...
Simon Fraser University7y
Paired t-test
The one-sided alternatives are that the difference is greater than, or less than, the difference specified in the null hypothesis. To specify a box-and-whisker plot and a means plot in addition to the ...