Creating a box plot odd number of data points worked example. Box and whisker plots pose many problems for students. Making and understanding box and whisker plots five. Learn to display and analyze data in boxandwhisker plots. To address that, several years ago, one of my colleagues and i decided to break the instruction into multiple lessons. Download all 9 click on a worksheet in the set below to see more info or download the pdf.
Why do you think this type of data display is called a box and whisker plot. Box and whisker plots seek to explain data by showing a spread of all the data points in a sample. Making and understanding box and whisker plots five worksheet. Box and whisker plots data on the number of hours per week of television viewing was collected on a sample of americans. To make a box and whisker plot, start by organizing the numbers in your data set from least to greatest and finding the median. Manipulate the line plot and examine how the box and whisker plot changes. Construct a boxandwhisker plot to match a line plots, and construct a line plot to match a boxandwhisker plots.
Reading box plots also called box and whisker plots video khan. The student will collect, organize, and display data in an appropriate chart or graph. The key values are called a fivenumber summary, which consists of the minimum, first quartile, median, second quartile, and maximum. Find box and whisker plot lesson plans and teaching resources. Download in ms word format download in pdf format add to backpack. The students will be using discovery techniques to learn about box and whisker plots. This presentation includes identifying the different parts of a box and whisker plot, such as quartiles an. Begin by identifying these parts in individual box and whisker plots alone included in worksheet and ppt.
In this lesson, we will learn how to use boxandwhisker plots, interpret the data, and even make our own. This powerpoint describes the different parts of a box and whisker plot and walks you through an example. This powerpoint describes the different parts of a boxandwhisker plot and walks you through an example. On this lesson, you will learn how to make a box and whisker plot and how to analyze them. A great lesson plan with resources to teach or revise gcse box plots. The blank copy allows you to add your own examples and customize it for your classroom needs. Math worksheets a box plot also called a box and whisker plot shows data using the middle value of the data and the quartiles, or 25% divisions of the data drawing a box and whisker plot. Med q2 median cuts data set in half 50th percentile median definitions.
A prerequisite to plotting data is to be able to find the median of a set of numbers. The results from a pretest for students for the year 2000. Introduce your math student to the basics of a boxandwhisker plot with this worksheet about finding the median. Read and learn for free about the following article. Boxandwhisker plot sheet 1 1 2 3 make a boxandwhisker plot.
A box and whisker plot or box plot is a convenient way of visually displaying the data distribution through their quartiles. One fairly recent addition to these diagrams is the boxandwhisker plot, sometimes called simply a boxplot. Box and whisker plot is a diagram constructed from a set of numerical data, that shows a box indicating the middle 50% of the ranked statistics, as well as the maximum, minimum and medium statistics. Explain to students that a boxandwhisker plot can be useful for handling many data values. A box plot also called a box and whisker plot shows data using the middle value of the data and the quartiles, or 25% divisions of the data. Using boxandwhisker plots to represent data sets boxandwhisker plot, p. Check out our free box and whisker plots explained video lesson on. May 07, 2015 join us on this flipped math lesson where we visually explore how to construct and analyze a box and whisker plot. Box and whisker worksheet make a boxandwhisker plot of the data. The graphs below summarize this data for two age groups. Manipulate the line plot and examine how the boxandwhisker plot changes. In this lesson you will learn how to represent data on a number line by creating a box plot. Using a boxandwhisker plot to compare data sets boxandwhisker plots are an excellent visual aid to help you to compare data sets.
Mar, 2016 this video is about box and whisker plots. Then, construct a boxandwhisker plot with an accurate number line. Create a new data set that contains more than 12 data points. Seventh grade lesson box and whisker plots betterlesson.
A box and whisker plot is a diagram that shows the statistical distribution of a set of data. Making and understanding box and whisker plots five worksheet pack. Use data set from example 1 to calculate the minimum, lq, uq, maximum, range, and iqr. Join us on this flipped math lesson where we visually explore how to construct and analyze a boxandwhisker plot. This practice pdf ensures that students understand the key concepts like interquartile range iqr, median, and maximum value. The first step in constructing a boxandwhisker plot is to first find the median q2, the lower quartile q1 and the upper quartile q3 of a given set of data. How can you use a boxandwhisker plot to describe a data set. A stepby step process for creating a box and whisker plot will be provided for the student. Introduction to box plots texas instruments calculators. They often confuse the length of a quartile for the size of data it includes. The box and whisker plot below shows the weight, in pounds, of each package a shipping company delivered in one day.
According to the boxandwhisker plot, what was the lower quartile of meals served in a day at susans diner. Whiskers extend from the boxtothe highest and lowest values, excluding outliers. Create a boxandwhisker plot for the judges scores for prancing with the blist. The teacher will also explain to the class that they will be making their own boxandwhisker plots today from survey questions. Box and whisker plot notes mill valley school district. Next, plot the least number in the data set and connect it to the box with a segment, and plot the greatest number in the data set and connect it to the box with a segment, to make whiskers. Use this box plot of the results for the ladies figure skating finals at the 2010 winter olympics to answer questions 1 and 2. Last nights homework study guide for central tendency test. Box plots are summary plots based on the median and interquartile range which contains 50% of the values. Start by drawing an evenly scaled number line horizontally along the bottom of the page. Starter revisits previous learning on unit 2 number. Students will be introduced to the concept of box and whisker plots.
The student will find and interpret basic statistical measures. Box and whisker plots drawing lesson teaching resources. 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. Box and whisker plots help you to see the variance of data and can be a very. 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. It should be evenly scaled, by an amount that is most. Which statement is not supported by the data in the box and whisker plot. In this lesson, we will learn how to use box and whisker plots, interpret the data, and even make our own. This presentation includes identifying the different parts of a boxandwhisker plot, such as quartiles an. Learn to display and analyze data in box and whisker plots. Use the boxandwhisker plot to answer each question. Box and whisker plots explained in 5 easy steps mashup math. Box and whisker plots baffle most middle school students, at least initially.
A video for a quick intro to box plots or as a revision aid. Use the box and whisker plot of the amount of money. Construct a box and whisker plot to match a line plots, and construct a line plot to match a box and whisker plots. Click here to download your free box and whisker plot worksheet. Gcse lesson box and whisker diagrams box plots teaching. It looks at what they are, how to draw them and how to interpret them. The students will be using discovery techniques to learn about box and whisker plots lesson author. This collection of 10 worksheets that can help build a foundation for data analysis, graphing, and creating box and whisker plots.
Eighth grade interactive math skills box and whisker plots. In descriptive statistics, a box plot or boxplot is a method for graphically depicting groups of numerical data through their quartiles. Eighth graders measure in feet and inches and convert to explore the relationship between the converted measurements. The students will learn how to find the right boxandwhisker plot, compare the different data sets, find the data sets corresponding to the boxandwhisker plot pictured, label the values in a boxandwhisker plot and then determine the interquartile range. Try a complete lesson on boxandwhisker plots, featuring video examples, interactive practice, selftests, worksheets and more. Boxandwhisker plots lesson overview in this lesson, students will. What is the median number of hours of television viewing per week for each age group. Now lets make a boxandwhisker plot of the bears weight. After seeing my students struggle with this concept for years even moreso because they had to analyze the data, not merely create the plot i came up with this acti. Represent the data in a bar graph, boxandwhisker plot, and pie chart. Click on a worksheet in the set below to see more info or download the pdf. Interpreting box and whisker plots a box and whisker plot separates data into four sectionsthe two parts of the box and two whiskers. Page 9 and 10 is a blank copy without a number line or examples.
Box and whisker plots students flinders university. Parts of a box and whisker plot lets start by looking at a typical box and whisker plot. Also called a box and whiskers plot a 5numbered summary of data. Fivenumber summary and box plots interpret the information given. Drawing a box and whisker plot numbers of pairs of footwear 2 7 14 5 9 8 5 2 10 3 25 15 12 4 6 2 4 5 3 6 28 4 10 8 data displays in this lesson, you will ma ke and interpret box and whisker plots. The goal of the lesson is tha students understand the components of a box and whisker plot and be able to analyze or compare sets of data using box and whisker plots. Interpret the information given in the following boxandwhisker plot. Use the data to make a boxandwhisker plot additional example 2.
Videos, worksheets, and solutions to help grade 8 students learn about box and whisker plots. Page 2 of 6 reference the picture below to see how a data set is separated into halves. Parts of a boxandwhisker plot lets start by looking at a typical boxandwhisker plot. Making a boxandwhisker plot course 2 16 boxandwhisker plots 73 67 75 81 67 75 85 69. Again, it is best to use various distinct examples of box and whisker plots and identify the quartiles with students before they do it on their own. Find the lower and upper extremes, the median, and the first and third quartiles order the data from least to greatest 67 67 69 73 75 75 81 85 find the lower and upper. Give students a few minutes to construct a box and whisker plot of. Explain to students that a box and whisker plot can be useful for handling many data values. Aug 08, 2011 a great lesson plan with resources to teach or revise gcse box plots. The students will learn how to find the right box and whisker plot, compare the different data sets, find the data sets corresponding to the box and whisker plot pictured, label the values in a box and whisker plot and then determine the interquartile range. Check out the following free box and whisker plot worksheet, which is available as a pdf download.
Then manipulate the box and whisker plot and examine how the line plot changes. Boxandwhisker plots will be discussed after the test. Give students a few minutes to construct a boxandwhisker plot of. In the second dialog box select c10 weight into the graph variables. Create a boxandwhisker plot for the judges scores for prancing with the blist celebrities from the week of april 12th.
Practice data analysis skills by understanding and interpreting the box and whisker plots illustrated in this printable worksheet. Check out our free box and whisker plots explained video lesson on youtube for a more indepth look. Cross off one number from each side until you reach the middle. This lesson involves representing distributions of data using boxplots. The lines extending parallel from the boxes are known as the whiskers, which are used to indicate variability outside the upper and lower quartiles. Then, move on to comparing two diagrams, noting which has a higher or lower quartile. I think they get lost in the language and acronyms associated with the plot long before they ever try to make sense of the representation.
If there is an even number of values then the median is the mean of the middle two values add the two middle terms and divide by two. In this measurement lesson, 8th graders use the whisker and box plot to represent the measurement of a cat. Delete everything below the date\time stamp then type your name, lesson 7 and examples on separate lines. Click on graph boxplot, click ok on the first dialog box. Box and whisker plots instructions by hope davis tpt. Then manipulate the boxandwhisker plot and examine how the line plot changes. Three part lesson on drawing box and whisker plots at grade b. Lower extreme lower quartile median upper quartile upper extreme to draw a box plot, we need to find all 5 of these numbers. Use the box and whisker plot to answer each question. The teacher recorded the math scores of top ten students in grade v. It should start just below the minimum piece of data and end just after the maximum piece of data. Box and whisker plot this ppt lesson teaches students the vocabulary that goes with box and whisker plots as well as the steps for creating a. They were devised by john tukey in 1977 and offer a.
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