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Bar Graphs And Histograms
- 1. Bar Graphs and HistogramsPowerpoint hosted on www.worldofteaching.comPlease visit for 100’s more free powerpoints
- 2. What do you know aboutbar graph?double bar graph?Histogram?
- 3. Bar GraphA bar graph can be used to display and compare dataThe scale should include all the data values and be easily divided into equal intervals.Native Language of 7th Graders in Anywhere, China
- 4. How to interpret a Bar Graph?The bar graph shows Mr. Snowden’s students by gender and band membership.Snowden’s Students by Gender & Band MembershipHow many of Mr. Snowden’s students are band members?How many of Mr. Snowden’s students are not band members?
- 5. Double Bar GraphCan be used to compare two related sets of data
- 6. How to make a Double-Bar Graph?Choose a scale and interval for the vertical axis.Draw a pair of bars for each country’s data. Use different colors to show males and females.Label the axes and give the graph a title.Make a key to show what each bar represents.
- 7. The table shows the highway speed limits on interstate roads .within three states
- 8. Step 1Choose a scale and interval for the vertical axis.
- 9. Step 2Draw a pair of bars for each state’s data. Use different colors to show urban and rural.
- 10. Step 3 and 4Speed Limit on Interstate RoadsLabel the axes and give the graph a title.Make a key to show what each bar represents Urban RuralSpeed Limit (mi/h)
- 11. HistogramHistogram is a bar graph that shows the frequency of data within equal intervals.There is no space in between the bars.
- 12. How do I make a histogram?
- 13. Survey students. Record the results.
- 14. Step 1Make a frequency table of the data. Be sure to use equal intervals
- 15. Step 2Choose an appropriate scale and interval for the vertical axis. The greatest value on the scale should be at least as great as the greatest frequency.
- 16. Step 3Draw a bar for each interval. The height of the bar is the frequency for that interval. Bars must touch but not overlap.Label the axes and give the graph title
- 18. Can you now make a bar graph, double bar Graph and a histogram?
- 19. Label each graph type.
- 20. The list below shows the results of a typing test in words per minute. Make a histogram of the data.62, 55, 68, 47, 50, 41, 62, 39, 54, 70, 56, 70, 56, 47, 71, 55, 60, 42
- 21. The end