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Frequency distribution


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Frequency distribution

  1. 1. Frequency distribution Subject-Math'S School-Kendriya Vidyalaya
  2. 2. frequency !! • Frequency, terM uSed in the phySical ScienceS to denote the nuMber oF tiMeS that any regularly recurring phenoMenon occurS in one Second.
  3. 3. Class intervals !! • Class Interval, In statIstICs, the range of eaCh Class of data, used when dealIng wIth large amounts of data. to obtaIn an Idea of the dIstrIbutIon, the data are broken down Into ConvenIent Classes, whICh must be mutually exClusIve and are usually equal. • for, example - 1-10,10-20,20-30.
  4. 4. Tally marks !! • To get a particular information from the given data can be arranged in tabular form using tally marks
  5. 5. Frequency distribution table !! • A frequency-distribution tAble summArizes dAtA for, exAmple- subject mAth science english hindi tAlly mArks mArks 5 10 4 2
  6. 6. Example question construct A frequency distribution tAble for the given dAtA on weight (in kg) of 20 student of A clAss using intervAls 30-40,40-50,50-60. 30-40,40-50,50-60
  7. 7. Answer Class intervals 30-40 tally marks frequenCy 7 40-50 9 50-60 2 60-70 2
  8. 8. THANKS FOR YOUR KIND CONSIDERATION made. By –ajay kumar