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


Method and examples
Find the missing frequencies in the following frequency distribution when mean 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 follwing 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 follwing data
    Class5 - 1010 - 1515 - 2020 - 2525 - 3030 - 35
    Frequency11203520a6
    mean = 18.1
  3. Find missing frequency from the follwing data
    Class11 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 80
    Frequency4238a54b3632
    Total Frequency (N) = 400 and median = 38.5
  4. Find missing frequency from the follwing data
    Class40 - 5960 - 7980 - 99100 - 119120 - 139
    Frequency50?500?50
    Total Frequency (N) = 1000 and median = 87.50
  5. Find missing frequency from the follwing data
    Class50 - 100100 - 150150 - 200200 - 250250 - 300
    Frequency3560?4020
    median = 168
  6. Find missing frequency from the follwing data
    Class0 - 5050 - 100100 - 150150 - 200200 - 250250 - 300300 - 350
    Frequency24721?2021
    q-3 = 290
  7. Find missing frequency from the follwing data
    Class10 - 1515 - 2020 - 2525 - 3030 - 3535 - 4040 - 4545 - 50
    Frequency246490122b562033
    q-1 = 21.5
  8. Find missing frequency from the follwing 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 follwing 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 follwing data
    Class0 - 400400 - 800800 - 12001200 - 16001600 - 20002000 - 24002400 - 28002800 - 3200
    Frequency412a50b1394
    Total Frequency (N) = 167 and mode = 1360
  11. Find missing frequency from the follwing 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 follwing data
    Class0 - 1010 - 2020 - 3030 - 4040 - 5050 - 6060 - 7070 - 80
    Frequency449?12632
    mean = 37
  13. Find missing frequency from the follwing data
    Class100 - 110110 - 120120 - 130130 - 140140 - 150150 - 160
    Frequency1001307120?50
    mean = 123
  14. Find missing frequency from the follwing data
    Class0 - 2020 - 4040 - 6060 - 8080 - 100100 - 120120 - 140
    Frequency513?15?207
    Total Frequency (N) = 100 and mean = 74
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