Minimum, maximum, median, first quartile and third quartile, interquartile, upper limit and lower limit. With our free box plot printable worksheets, learners progress from five-number summary, and. It gives a lot of information on a single concise graph. Box plot is a powerful data analysis tool that helps students to comprehend the data at a single glance. The information in the following table is from the entire section. A box and whiskers diagram is also known as box plot, it displays a summary of a set of data. Top every test on box and whisker plots with our comprehensive and exclusive worksheets. Use the following information to answer the next three exercises: We are interested in the number of years students in a particular elementary statistics class have lived in California. The second whisker extends from the third quartile to the largest value, 12. The horizontal line inside the box is the median. Therefore the vertical width of the central box represents the inter-quartile deviation. The bottom side of the box represents the first quartile, and the top side, the third quartile. A vertical, dashed line marks the median at 6. The box plot is also referred to as box and whisker plot or box and whisker diagram. The box begins at the first quartile, 4, and ends at the third quartile, 9. The second boxplot is graphed over a number line from 0 to 12. If there are 2 numbers in the middle, the median is the average of those 2 numbers. Arrange data points from smallest to largest and locate the central number. The median is the central number of a data set. The second whisker extends from the third quartile to the largest value, 21. Add up all of the numbers and divide by the number of numbers in the data set. Box and whisker plot can be used to determine minimum, maximum and median, interquartile range of the given data. The middle line is the median of the given data. The middle line in the box is the 50 quartile mark. Thus, the observations with values of 1.1 and 23.5 are both labeled as outliers in the box plot since they lie outside of the lower and upper boundaries. The left end of box is the 25 quartile mark and right end of box is 75 quartile mark. Customize them according to your specific educational needs and explore the world of statistical graphics in a fun, engaging way. The whiskers for the minimum and maximum values in the box plot are placed at 2.85 and 23.25. Our collection includes a wide range of high-quality, expertly designed materials suitable for all learning levels. A vertical, dashed line marks the median at 6. Free Box and Whisker Plot Worksheets, complete with an answer key, are now available for your convenience. The box begins at the first quartile, 1, and ends at the third quartile, 14. The first boxplot is graphed over a number line from 0 to 21.
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