Section d summarizing quantitative data continued stem. Stem and leaf plot example suppose that your class had the following test scores. The stem part can be any number of place values, but the leaf part can only be one place value, usually the smallest place value in the number. Also, if the stem and leaf plot were rotated 90 clockwise and reflected vertically, then the two graphs would have the same shape. The greatest common place value of the data is used to form the stem. Mp4 mp6mp3 at this time, i will be walking around making sure the stem and leaf plots have the following. A stem and leaf plot provides an alternative to a line plot or histogram for obtaining a picture of the data distribution when data can be represented as integer counting numbers. Notice of conditions of use university of washington. The leaf is the last digit on the right or the ones digits. Write the stems in a vertical column with the smallest at the top, and draw a vertical.
Comparing discrete grouped data with a leaf on each side of the stem %. The number get split into a stem part and a leaf part. The advantage of a stem and leaf plot is that the data are presented clearly and it is easy to find the mean, median and quartiles. Stemplots a stemplot gives a quick picture of the shape of a distribution while including the actual numerical values in the graph. In helping students to develop their data analysis skills. This data is arranged by place value where the digits in the largest place are referred to as the stem. Once youve completed the notes, ive attached a smart board activity to use as a formal assessment. Draw a chart and label two columns as stem and leaf, as shown. Display the following set of data in a stem and leaf plot. The digits of the least place value usually form the leaves, and the next place value digits form the stems.
Also included are a practice activity and a writing activity as well as a 4 question formative test prep style assessment. Make backtoback stem and leaf plots for the given data. The disadvantage of a stem and leaf plot is that it is not suitable for displaying large data sets because it lists out all the data. However, this type of plot can be constructed very quickly it can be used, for example, when a. A stem and leaf plot is a method used to organize statistical data.
Each data is broken into a stem digit or digits on the left of the vertical line and leaf digit or digits on the right of the vertical line. The resulting graph looks very much like a line plot or a histogram. Stem and leaf plot 0 16778 2 i 33 3 i 12 inches note. Stem leaf 7 3 5 8 2 2 4 9 0 4 7 9 10 5 8 11 4 6 stem leaf 5 3 3 6 5 8 7 3 7 7 8 4 8 8 9 stem leaf 9 3 5 10 2 5 8 11 5 8 9 9.
You can easily see features of the students performance from the shape of the stem and leaf plot. Slackjoles 1 using the data below, complete the frequency table. Since the values are similar, i can plot them all on one stem and leaf plot by drawing leaves on either side of the stem i will use the tens digits as the stem values, and the ones digits as the leaves. Write each leaf to the right of its stem in the leaf column. Using the worksheet generator below you can create worksheets with up to 20 problems. Be sure to check off data points as you list them in step 1. This activity will teach students make and use stem and leaf plots. Stem and leaf plots examples beacon learning center.
The pdf manuals are available through the help menu. This could for instance be the results from a math test taken by a group of students at the. Each data value is broken into a stem digit or digits on the left and a leaf. Make a stem and leaf plot of the algebra test scores given below. Improve your math knowledge with free questions in interpret stem and leaf plots and thousands of other math skills. Since 9 in the econ 101 list has no tens digit, the stem value will be 0.
Unit six organizing data guided notes there are 4 ways we will plot data 1 stem and leaf plots 3 histogram 2 dot plots 4 box and whisker plots box plots. In this lesson, students learn that a stemandleaf plot is set up as a twocolumn table with stems of the given numbers on one side and the leaves. A stem and leaf plot is a type of graph that is similar to a histogram but shows more information by summarizing the shape of a set of data the distribution and providing extra detail regarding individual values. Stem and leaf plot notes and activities, common core standard. Stem and leaf plot guided notes stem and leaf plot practice page stem and leaf plot frayer models for v. To set up a stem and leaf plot we follow some simple steps. Skiersnowboarder visits millions, 19922016 season visits season visits season visits 1992. Stem and leaf plots examples, stem and leaf plots worksheet, and. Stemandleaf plots and boxandwhiskers plot prealgebra.
Stem and leaf plots in a stem and leaf plot, the data are organized from least to greatest. Stem and leaf plots simple way to display small data sets similar to histogram. Use the following steps to construct a stem and leaf plot. Students match stem and leaf plot to its mode, median, range, and key. The leaf is on the right and displays the last digit. Stem and leaf plots can be used to organize data by place value. Ex the data show the ages of 24 patients who were treated in one day at a health clinic. Leaves split tem and leaf plot o o 2 3 6778 1114 6 key. Using the stem and leaf plot at the left, what is the speed of the slowest roller. This table shows that 7 people chose tacos and 9 people chose burgers as their favorite food. For the stemandleaf plot in the example, the r codes are xc6,24,7,9,15,10,31,6,23,7,11,4 stemx. You could make a frequency distribution table or a histogram for the values, or you can use a stem and leaf plot and let the numbers themselves to show pretty much the same information.
Once decided, the teams can get to work organizing, displaying and analyzing their data. The mean median mode range worksheet is designed for students to practice calculating these statistical measures. To construct a stemplot, start by drawing the stem. Stem and leaf plots 5 stem and leaf plot guided notes a stem and leaf plot is a method of presenting numerical by separating each number into its tendigit called the and its.
Stem andleaf plots interactive notebook set freebie tpt. Histograms, density curves, stem and leaf plots measures of location and dispersion. Test data activity sheet, stemandleaf plot activity. The stem values are listed down, and the leaf values go right or left from the stem values. Stem and leaf plots are a method for showing the frequency with which certain classes of values occur. The stem andleaf plots included in this math interactive notebook set use whole numbers, fractions, and decimal values. One way to measure and display data is to use a stem and leaf plot. For example, 543 and 548 can be displayed together on a stem and leaf as 54 3,8. Summarizing data overview methods based on cdfs histograms, density curves, stem and leaf plots measures of location and dispersion. The next greatest common place value is used to form the leaves. The possible number range can be customized between 1 and 99, and the possible number set size can be customized between 3 and 12. Reading stem and leaf plots notes the weight in kg of a group of students key. Ask participants to generate the stem and leaf plot for l3.
Stemplot stem and leaf plot histogram stemplots a stemplot gives a quick picture of the shape of a distribution while including the actual numerical values in the graph. Rewrite the leaves in order from least to greatest. The stem is the tens digit of each number the numbers 1, 2, and 3 are stems. This fun and free set will ensure that your students stem and leaf education is complete. From one of the stem and leaf plots, they must find mean. A stem and leaf plot organizes data by showing the items in order using stems and leaves. Separate each observation into a stem consisting of all but the final rightmost digit and a leaf, the final digit. The stemandleaf plot is similar to a histogram and its main purpose is to show the data distribution while retaining the uniqueness of each data value. A stem and leaf plot is a special table where each data value is split into a stem the first digit or digits and a leaf usually the last digit. Make a backtoback stem and leaf plot of these two data sets. Find the median and mode of the data represented in each stem and leaf plot. The stem is on the left displays the first digit or digits. The stem is used to group the scores, and each leaf shows the individual scores within each group.
The students can come up to the board and manipulate the plot to create one on the smart board. Using the stem and leaf plot at the left, what is the median speed. How many cities in this data had a january maximum temperature 40 degrees or less. Dotplot a dotplot b dotplot c dotplot a dotplot b dotplot c references worksheet difficulty. The data are to be interpreted and questions based on it are to be answered in the make and interpret plot pages. List the leaves for l3 on the right side of the stem. Each value is plotted as a dot above a scaled horizontal axis. Each data value is broken into a stem digit or digits on the left and a leaf digit or digits on the right.
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