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Q&A #810 |
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I asked a few friends and here are the responses that I received. - An ogive is a line graph of cumulative frequency or cumulative relative frequency. Perhaps that is a start for where to proceed. The charts would be to take the frequencies for each interval and add the frequencies interval by interval. When all are added the last interval should have a sum of 100%. Look in a high school text such as Dick Brown's "Advanced Mathematics" under statistics or an elementary college statistics text. - An ogive curve is nothing more than the plot of the cumulative probability distribution function. It takes its name from an architectural feature found called a Gothic arch; actually only the left half of the arch. - An ogive is a histogram of accumulated relative frequencies. It is a graphical representation of the sample cumulative distribution function. The book Introductory Statistics, Mann (p.68) has a discussion. - "Exploring Statistics with the TI-82 Graphics Calculator" by Dr. Brendan Kelly has a lesson on using ogives. It is a good reference for teaching statistics with graphing calculators. -Marielouise, for the Teacher2Teacher service
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