Graph Types When constructing this data display remember to include… Types of Data Displays Use this data display to… Tally Charts • graph title • categories • vertical lines with every fifth line forming a diagonal over the four previously marked lines. • transfer tally information to a frequency table • collect information from a science experiment, votes, & data surveys Frequency Tables Same criteria as Tally Charts • collect information from a science experiment, votes, & data surveys Bar Graphs • • • • • • graph title label for each bar scale x-axis y-axis title for horizontal and vertical title • graph data correctly • draw and label information neatly • show comparisons between data Same criteria as Bar Graphs • present and compare data on one graph N umber of dri nks sol d coffee tea orang e rootbeer col a l emonade 0 1 2 3 4 Double Bar Graphs Numbe r of Gi rls & Boys Enro lled at Burns Elem enta ry Scho ol 500 400 girl s 300 boys 200 100 0 199 6 199 7 199 8 199 9 1 Graph Types Types of Data Displays Histograms TV Watched per Week Peop le 5 4 3 2 1 0 Fa vo rite Pizza chees e pe ppero ni ba con Line Plot x 1 Use this data display to… • graph title • do not put spaces between bars • intervals are equal size and do not overlap • y-axis title is frequency • interval title • show frequency of one set of data • graph title • segments of circle labels • each segment is represented proportionately to the whole and adds up to 100% • graph title • legend or key • show part of a whole, usually represented by fractions or percentages • plot title • number line • stack X’s above each data value on the number line • show the shape of the data set • easily shows the mode • correct title • correct vertical/horizontal labels • plot the two sets of data as an ordered pair • show the relationship (correlation) between two sets of data 8-11 12-1 5 16-1 9 20-2 3 Hours Pie Charts x 0 When constructing this data display remember to include… Hours Spent Sleeping for 36 Eighth Graders x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 2 3 4 5 6 7 8 9 10 11 12 Height Scatterplot Years of Math Education 2 Graph Types When constructing this data display remember to include… Types of Data Displays Stem and Leaf Plot Ages of 20th Century Presidents at Inauguration 4 2, 3, 6 5 1, 1, 1, 2, 4, 4, 5, 5, 6, 6 6 0, 1, 2, 4, 9 Key: 4|2 means 42 years Line Graph 50 45 Avera ge 40 Te mpera ture 35 fo r Fe bruary 30 25 20 94 95 96 97 • correct title • correct labels for the vertical columns • leaves are ordered from the least to the greatest • stems are ordered from the least to the greatest • vertical line divides the stem and leaves • legend or key • a way to organize a great deal of data and show the shape of the data • correct title • correct vertical/horizontal labels • scale • use a solid line with continuous data • use a dotted line with discrete data • graph data over time Same criteria as Line Graphs • compare two sets of data that change over time • draw diagrams inside a box • title of regions need to be included in the region • title of Venn diagram is written on top of the box • sort and compare 98 Double Line Graph Avera ge Tempe rature 85 80 75 70 65 60 Use this data display to… 19 97 Dec. Nov. Oct. Sept. 19 98 Venn Diagram Rock Rap 80 25 15 10 25 40 5 Country 3