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Home > Statistical Methods calculators > Class and their frequency table for grouped data example
Class and their frequency table for grouped data Example-3 ( Enter your problem )
( Enter your problem )
  1. Example-1
  2. Example-2
  3. Example-3
  4. Example-4
 		Other related methods
  1. Mean, Median and Mode
  2. Quartile, Decile, Percentile, Octile, Quintile
  3. Population Variance, Standard deviation and coefficient of variation
  4. Sample Variance, Standard deviation and coefficient of variation
  5. Population Skewness, Kurtosis
  6. Sample Skewness, Kurtosis
  7. Geometric mean, Harmonic mean
  8. Mean deviation, Quartile deviation, Decile deviation, Percentile deviation
  9. Five number summary
  10. Box and Whisker Plots
  11. Mode using Grouping Method
  12. Less than type Cumulative frequency table
  13. More than type Cumulative frequency table
  14. Class and their frequency table
2. Example-2
(Previous example)		4. Example-4
(Next example)

3. Example-3


1. Calculate Class and their frequency table from the following grouped data
XCumulative Frequency
20480
25370
30200
35120
4075
4535


Solution:
First we convert Cumulative frequency table to gropued frequency table

>Cumulative Frequency
> 20480
> 25370
> 30200
> 35120
> 4075
> 4535

Class and their frequency table is
ClassCumulative FrequencyFrequency
20 - 25480110 (= 480 - 370)
25 - 30370170 (= 370 - 200)
30 - 3520080 (= 200 - 120)
35 - 4012045 (= 120 - 75)
40 - 457540 (= 75 - 35)
45 - 503535 (= 35)
2. Calculate Class and their frequency table
XCumulative Frequency
1088
2073
3048
4028
5016
608
703


Solution:
First we convert Cumulative frequency table to gropued frequency table

>Cumulative Frequency
> 1088
> 2073
> 3048
> 4028
> 5016
> 608
> 703

Class and their frequency table is
ClassCumulative FrequencyFrequency
10 - 208815 (= 88 - 73)
20 - 307325 (= 73 - 48)
30 - 404820 (= 48 - 28)
40 - 502812 (= 28 - 16)
50 - 60168 (= 16 - 8)
60 - 7085 (= 8 - 3)
70 - 8033 (= 3)


This material is intended as a summary. Use your textbook for detail explanation.
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2. Example-2
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