Introduction to Line Plots and Stem & Leaf Plots
 These slides will instruct youto learn about line plots and stem and leaf plots.Pay close attention and TAKE NOTES for thequizzes to come. What is a line plot?A line plot uses a number line and X's to showhow often a value occurs in a data set. To set up a line plot:1. put all of the numbers in order from least to  greatest.2. Then draw a number line that includes these values.3. Place an X above the number on the number line   that goes with the number. Here is the data: 25,0,10,10,15,25,20,15,15,0,10,15,15This is an example of a line plot.0xxWhich number has the most?Which number is the least?510xxx15xxxxx20x25xx A key must be written for every stem and leaf plot!!!A stem and leaf plot uses the digits of each numberin a data set to group the individual numbers, usuallyin increasing or decreasing order.Each LEAF on the plot represents the right-hand digit,or ONES and the STEMS represent the left-hand digit,or the TENS. Example of  Stem and Leaf.Minutes doing homeworkKey 3|2 means 32 minutesStem43250,4,5,520,1,2,7,90,0,8Leafminutes workingon Homework58,20,41,40,25,25,49,50,50,47,24,32,42Data set Outlier is the numbers that are very big or very smallcompared to the other data.Range is the difference be largest number and smallest.Mode is the number that is the most.Median is the number in the middle when you put thedata in order smallest to largest.
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