Lisa_drawing frequency table

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Education

Published on December 1, 2008

Author: lisamahon

Source: authorstream.com

How to draw a frequency distribution table : How to draw a frequency distribution table How to draw a frequency histogramgraph How to draw a frequency polygongraph By Lisa Mahon Slide 2: Step one: Find the smallest and largest number Sort data into a frequency distribution table and then graph. Data 1,4,5,7,3,3,7,7,9,5,7,8,3,4,7,9,2,5,6,1,1,2,2,2,6,4,2,5,2,3,7,6,8,8,9 1 9 Slide 3: Step two: Draw frequency distribution table Sort data into a frequency distribution table and then graph. Data 1,4,5,7,3,3,7,7,9,5,7,8,3,4,7,9,2,5,6,1,1,2,2,2,6,4,2,5,2,3,7,6,8,8,9 1 9 1 2 3 4 5 6 7 8 9 score f fx Total tally Slide 4: Step three: Complete tally column Sort data into a frequency distribution table and then graph. Data 1,4,5,7,3,3,7,7,9,5,7,8,3,4,7,9,2,5,6,1,1,2,2,2,6,4,2,5,2,3,7,6,8,8,9 1 9 1 2 3 4 5 6 7 8 9 score f fx Total tally Slide 5: Step four: Complete frequency column Sort data into a frequency distribution table and then graph. Data 1,4,5,7,3,3,7,7,9,5,7,8,3,4,7,9,2,5,6,1,1,2,2,2,6,4,2,5,2,3,7,6,8,8,9 1 9 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 Slide 6: Step five: Complete fx column Sort data into a frequency distribution table and then graph. Data 1,4,5,7,3,3,7,7,9,5,7,8,3,4,7,9,2,5,6,1,1,2,2,2,6,4,2,5,2,3,7,6,8,8,9 1 9 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 Remember fx means to multiply frequency and score 3 12 12 12 20 18 42 24 27 Slide 7: Step six: Complete totals Sort data into a frequency distribution table and then graph. Data 1,4,5,7,3,3,7,7,9,5,7,8,3,4,7,9,2,5,6,1,1,2,2,2,6,4,2,5,2,3,7,6,8,8,9 1 9 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 3 12 12 12 20 18 42 24 27 35 170 Slide 8: 1,4,5,7,3,3,7,7,9,5,7,8,3,4,7,9,2,5,6,1,1,2,2,2,6,4,2,5,2,3,7,6,8,8,9 Activity: Use the data below and complete the frequency distribution table in your worksheet Slide 9: Step One: Draw the axis and label Draw a histogram using the information in the frequency distribution table 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 3 12 12 12 20 18 42 24 27 35 170 score frequency 1 2 3 4 5 6 7 8 9 6 5 4 3 2 1 0 Slide 10: Step two: Draw the histogram Draw a histogram using the information in the frequency distribution table 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 3 12 12 12 20 18 42 24 27 35 170 score frequency 1 2 3 4 5 6 7 8 9 6 5 4 3 2 1 0 The columns must be drawn over the number Always leave a gap to begin with Slide 11: Things to remember Draw a histogram using the information in the frequency distribution table 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 3 12 12 12 20 18 42 24 27 35 170 score frequency 1 2 3 4 5 6 7 8 9 6 5 4 3 2 1 0 Always use a ruler to draw graph The vertical scale does not have to be the same as the horizontal scale Slide 12: More things to remember Draw a histogram using the information in the frequency distribution table 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 3 12 12 12 20 18 42 24 27 35 170 score frequency 1 2 3 4 5 6 7 8 9 6 5 4 3 2 1 0 The zero belongs to the vertical data Slide 13: Final result 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 3 12 12 12 20 18 42 24 27 35 170 score frequency 1 2 3 4 5 6 7 8 9 6 5 4 3 2 1 0 Slide 14: In your work booklet draw a histogram using the data in the table 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 3 12 12 12 20 18 42 24 27 35 170 Slide 15: Step eight: Draw the polygon Draw a polygon using the information in the frequency distribution table 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 3 12 12 12 20 18 42 24 27 35 170 score frequency 1 2 3 4 5 6 7 8 9 6 5 4 3 2 1 0 The polygon must start here Use a ruler to draw the line The polygon MUST finish at the next number Slide 16: Final result 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 3 12 12 12 20 18 42 24 27 35 170 score frequency 1 2 3 4 5 6 7 8 9 6 5 4 3 2 1 0 Slide 17: 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 3 12 12 12 20 18 42 24 27 35 170 In your work booklet draw a polygon using the data in the table below Slide 18: Some questions want the histogram and polygon together 1 2 3 4 5 6 7 8 9 score f fx Total tally 3 6 4 3 4 3 6 3 3 3 12 12 12 20 18 42 24 27 35 170 score frequency 1 2 3 4 5 6 7 8 9 6 5 4 3 2 1 0 Always answer the question exactly the way the question asks.

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