A score at the 70th 9 of a data set is greater pennies. Use the data set from the first practice makes perfect to calculate the mean, mode, range, iqr, and to construct a boxandwhisker plot without the outlier included in the five number summary. Comparing and contrasting box and whisker plots brand a brand b 2. Use the following data to make a box and whisker plot. Attachment 2 3 materials and resources dry erase board and markers, activity. For the following ordered data construct a box plot. Article pdf available in journal of chemical education 9312 october 2016 with 709 reads. Find the median, the 1st quartile, the 3rd quartile, the minimum, the maximum, and the range of the data. Example2 interpreting a boxandwhisker plot watches the prices of the watches at a store are displayed in the boxandwhisker plot below. Example 3 comparing boxandwhisker plots the double boxandwhisker plot represents the prices of snowboards at two stores. Cross off one number from each side until you reach the middle.

The boxandwhisker plots below represent the scores for two baseball teams throughout an entire season of games. Find the quartiles of your data the median of the upper and lower half. What percent of the sophomores watch tv for at least 15 minutes per night. Making and understanding box and whisker plots five. Box and whisker plots 2 draw box and whisker plot 1214151617181920 lower extreme. Pdf in statistical analysis, we have a collection of data, with the use of these. Whiskers extend from the boxtothe highest and lowest values, excluding outliers. The boxandwhisker plots below show a class test scores for two tests. Which team had a wider range of scores during the season. Construct a box and whiskers plot for the data set. Comments are turned off autoplay when autoplay is enabled, a suggested video will automatically play next. They also show how far the extreme values are from most of the data. Quartiles divide the data set into four equal parts. Make two boxandwhisker plots of the data on the same number line.

The display visually represents quartiles, the median, and the extremes. Answer key it is designed to help students master the following. Chapter 12 354 12 4 box and whisker plots percent means parts per 100. Order the data set and write it on a strip of grid paper with. Below is a list of ages of people who shop at the outlet mall in tuscola. Box and whisker plots explained in 5 easy steps mashup math. Find the median of the data set 3, 7, 8, 5, 12, 14, 21, 18. The following set of numbers are the allowances of fifteen different boys in a given week. Boxandwhisker plots 4 goals scored by mls leading scorers 26 15 12 16 15 1 18 11 10 16 15 5 16 9 source. Initial weights february of 14 women in a weight loss study in pounds. How does the outlier affect the interquartile range of the data. World almanac number of 300 games per person in womens international bowling congress 12 17 23 21 17 23 14 21 12 17 19 24 18 27 14 20 12 16 12 16 source. In the past 12 months, he sold the following numbers of computers.

The box is drawn around the quartile values, and the whiskers extend from each. Lesson 3 homework practice box plots draw a box plot for each set of data. Interpret the information given in the following boxandwhisker plot. Then, construct a boxandwhisker plot with an accurate number line. A boxandwhisker plot is a display used when the purpose is to show the datas distribution in quarters, using the median, quartiles, and extremes. The median second quartile divides the data set into two halves. Box plots also called box and whisker plots or box whisker plots give a good graphical image of the concentration of the data. Percentiles separate a data set into 100 equal parts. Do makeup wednesday algebra 1b name quiz 3 on thursday. A boxand whisker plot is a very convenient and informative way to represent. Page 9 and 10 is a blank copy without a number line or examples.

Students make a human boxplot to model the effect of an extreme value on a statistical measure. Interquartile range, box plots, and outliers author. Students will be able to identify the 5 number summary 7,9,11,14, draw two box plots, and answer by saying yes, the box plots show that this years. Box plots may also have lines extending from the boxes whiskers indicating variability outside the upper and lower quartiles, hence the terms boxandwhisker plot and boxandwhisker diagram.

A box and whisker plot is a visual tool that is used to graphically display the median, lower and upper quartiles, and lower and upper extremes of a set of data box and whisker plots help you to see the variance of data and can be a very helpful tool. Th e four divisions of the data are shown using the median, the upper and lower quartiles, and the greatest and least values of the data. Box plots are summary plots based on the median and interquartile range which contains 50% of the values. What percentage of students scored between 90 and 100.

In descriptive statistics, a box plot or boxplot is a method for graphically depicting groups of numerical data through their quartiles. A box and whisker plot sometimes called a boxplot is a graph that presents. Imagine breaking the data into 2 parts 3 circle the extremes. Also known as box and whisker plots, this set includes 20 task cards focused on box plots. Products use the box plot that shows the average prices in cents per pound farmers received for eggs. In actuality, box and whisker plots are used in statistics as a way to easily display a given set of data in terms of its median, interquartile range, and outliers. This file includes a foldable for boxandwhiskers plot. The median 87 is therefore called the upper quartile. Pdf data analysis using box and whisker plot for lung cancer. The card scenarios vary in difficulty, allowing for classroom differentiation. Box plots also called boxandwhisker plots or boxwhisker plots give a good graphical image of the concentration of the data.

Create a basic box and whisker plot of the following data sets. A boxandwhisker plot displays the values q 1, q 2, and q 3, along with the extreme values of the data set 2 and 23, in this case. Above boxplot shows that when comparing the years 2004. What percentage of students scored between 70 and 90. Students will use strips of centimeter graph paper to put numbers in order. Another problem dealing with the construction of a boxandwhisker plot and two with reading of box an whisker plots.

Pdf boxandwhisker plots or simply boxplots are powerful. Find the quartiles, the range, and the interquartile range for each data set. Making and understanding box and whisker plots five worksheet. A boxandwhisker plot uses a number line to represent the data visually.

Identify the boxandwhisker plot that shows the given data 4. Use data set from example 1 to calculate the minimum, lq, uq, maximum, range, and iqr. You can compare two sets of data by making two boxandwhisker plots below one number line. Write percent or percentile to complete each sentence. The boxandwhisker plot shows the test scores of two. The quartiles and maximum values also increase as did the interquartile range. Make a boxandwhisker plot from the following data sets. They then fold the paper to find the minimum, maximum, median, 1 st quartile, and 3 rd quartile of the data set. Make a box and whisker plot from the following data sets. This guide to creating and understanding box and whisker plots will provide a stepbystep tutorial along with a free box and whisker plot.

Box plots drawn correctly showing the increase from 1. The box and whisker plots below represent the scores for two baseball teams throughout an entire season of games. Comparing data displayed in box plots practice and problem solving. Page 2 of 6 reference the picture below to see how a data set is separated into halves. Draw a boxandwhisker plot for the distances of migration of birds thousands of miles. Here we are going to implement boxplot method and control chart methods. Based on the boxandwhisker plots, which statement is true. The results were 15, 10, 12, 9, 18, 5, 8, 9, 15, 10, and 11. Attachment 2 3 materials and resources dry erase board and markers, activity sheets on boxandwhisker, rulers, pencils. Check your understanding match each term with a point in the box and whisker plot. The box and whisker plots below show a class test scores for two tests. Using box plots to identify extremes, median, and quart. Well, the box in a box and whisker plot models the nose of a cat and the whiskers of a box plot modelwell a cats whiskers. Page 3 and 4 are prefilled copy page 5 and 6 is a blank copy page 7 and 8 is blank copy to draw two boxandwhisker plots on the same number line.

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