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Published in: Statistics
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Bar,graphs and histogram

Arman R / Rajkot

3 years of teaching experience

Qualification: M.Sc (The M S University of Baroda - 2017), B.Sc (The M S University of Baroda - 2015)

Teaches: Algebra, Mathematics

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  1. Bar Graphs and Histograms PRINCESS C. BARCEGA APG SCHOOL, MANAMA, BAHRAIN Powerpoint hosted on www.worldofteaching.com Please visit for 100's more free powerpoints
  2. What do you know about bar graph? double bar graph? Histogram?
  3. Bar Graph Spanish Mandarin Hindi English o 200 400 600 800 1000 A bar graph can be used to display and compare data The scale should include all the data values and be easily divided into equal intervals.
  4. How to interpret a Bar Graph? The bar graph shows Mr. Snowden's students by gender and band membership. How many of Mr. Snowden's students are band members? Snowden's students are not band members? Female band Female not band Male band Male not band
  5. Double Bar Graph Qtr Qtr 90 80 70 60 50 40 30 20 10 1st Qtr Can be used to compare two related sets Of data 2nd Qtr 3rd 4th
  6. How to make a Double-Bar Graph? Choose a scale and interval for the verticall 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 State Florida Texas Vermont Urban 65mi/h 70 mi/h 55mi/h Rural 70 mi/h 70 mi/h 65 mi/h
  8. Step I Choose a scale and interval for the vertical axis. 80 60 40 20 Florida MerrrJ0rjt IUrbarj 05rr)i/h 70 rr)j/h 55rrli/h RLIEII 70 rrjj/h 70 rrJj/h 65 rrjj/h
  9. Draw a pair of bars for each state's data. Use different colors to show urban and rural. FlorjcJa Merrr10rjt Urban 165rrjj/h 70 rrlj/h 55rrJj/h Rural 70 rrlj/h "70 rrlj/h 65 rrlj/h 80 60 40 20 Florida Texas Vermont
  10. Label the axes and give the graph a title. Make a key to show what each bar represents Step 3 and 4 Speed Limit on Interstate Roads -c 60 (f) 20 80 Florida Urban Rural Texas Vermont
  11. 4. Histogram Histogram is a bar graph that shows the frequency of data within equal intervals. There is no space in between the bars.
  12. How to make a histogram?
  13. The table below shows the number of hours students watch TV in one week Make a histogram of all the data. Number of hours of TV Ill 3 4 5 7 9
  14. Make a frequency table of the data. Be sure to use equal intervals JINJLJrrjber Of )hj0L1f3 (Of Step I Number of hours of TV 1-3 4-6 7-9 5 Frequency 15 16 llj}l - 7 9 Ill J Ill J jlJIJ
  15. Ste 2 Choose 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. LIO dl\JLlrrjber Frequency hours Uf TV/ 20 16 12 8 4 1-3 4-6 7-9
  16. Hours of Television Draw 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 il\JLJrfjber Lif 20 lhjoulr3 of T/ 7-9 {15 Watched 1-3 4-6 Hours 7-9
  17. Number of students
  18. Can you now make a bar graph, double bar Graph and a histo ram?
  19. 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
  20. The end