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Home > Statistical Methods calculators > Find missing frequency for grouped data calculator

Method and examples
Find 1 missing frequency or 2 missing frequency or 3 missing frequency in the following frequency distribution when mean or median or mode is given
Type your data in either horizontal or verical format,
for seperator you can use '-' or ',' or ';' or space or tab
for sample click random button

OR
X & Frequency   Class & Frequency
Rows :    
Click On Generate
Total Frequency (N)   =  
  =  
  =  
  1. Find missing frequency from the following data
    Class0 - 55 - 1010 - 1515 - 2020 - 2525 - 3030 - 35
    Frequency1711??42
    Total Frequency (N) = 40 and mean = 16.5
  2. Find missing frequency from the following data
    Class5 - 1010 - 1515 - 2020 - 2525 - 3030 - 35
    Frequency11203520a6
    mean = 18.1
  3. Find missing frequency from the following data
    Class11 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 80
    Frequency4238a54b3632
    Total Frequency (N) = 400 and median = 38.5
  4. Find missing frequency from the following data
    Class40 - 5960 - 7980 - 99100 - 119120 - 139
    Frequency50?500?50
    Total Frequency (N) = 1000 and median = 87.50
  5. Find missing frequency from the following data
    Class50 - 100100 - 150150 - 200200 - 250250 - 300
    Frequency3560?4020
    median = 168
  6. Find missing frequency from the following data
    Class0 - 5050 - 100100 - 150150 - 200200 - 250250 - 300300 - 350
    Frequency24721?2021
    q-3 = 290
  7. Find missing frequency from the following data
    Class10 - 1515 - 2020 - 2525 - 3030 - 3535 - 4040 - 4545 - 50
    Frequency246490122b562033
    q-1 = 21.5
  8. Find missing frequency from the following data
    Class10 - 1515 - 2020 - 2525 - 3030 - 3535 - 4040 - 4545 - 50
    Frequency24a90122b562033
    Total Frequency (N) = 460 and q-1 = 21.5
  9. Find missing frequency from the following data
    Class0 - 5050 - 100100 - 150150 - 200200 - 250250 - 300300 - 350
    Frequency24721??21
    Total Frequency (N) = 100 and q-3 = 290
  10. Find missing frequency from the following data
    Class0 - 400400 - 800800 - 12001200 - 16001600 - 20002000 - 24002400 - 28002800 - 3200
    Frequency412a50b1394
    Total Frequency (N) = 167 and mode = 1360
  11. Find missing frequency from the following data
    Class0 - 400400 - 800800 - 12001200 - 16001600 - 20002000 - 24002400 - 28002800 - 3200
    Frequency1422?124?32155
    Total Frequency (N) = 360 and mode = 1376
  12. Find missing frequency from the following data
    Class0 - 1010 - 2020 - 3030 - 4040 - 5050 - 6060 - 7070 - 80
    Frequency449?12632
    mean = 37
  13. Find missing frequency from the following data
    Class100 - 110110 - 120120 - 130130 - 140140 - 150150 - 160
    Frequency1001307120?50
    mean = 123
  14. Find missing frequency from the following data
    Class0 - 2020 - 4040 - 6060 - 8080 - 100100 - 120120 - 140
    Frequency513?15?207
    Total Frequency (N) = 100 and mean = 74
  15. Find missing frequency from the following data
    Class0 - 1010 - 2020 - 3030 - 4040 - 5050 - 6060 - 70
    Frequency416???64
    Total Frequency (N) = 230 and median;mode = 33.5,34
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