Ayushi Asked a Question
August 12, 2020 2:09 pmpts 30 pts
79. If in a frequency distribution table classes one made like 0-9, 10-19 and 20-29. The grouping method is called ? (1) Open class method (2) Continuous method (3) Exclusive method (4) Inclusive method q fi aIRaTaT TRT HRui 7 Tri, 0-9, 10-19 TT 20-29 aI (1) 2 3Hf .(3) 9797ff aR (4) 80. 'Faur and Cross' method is used to calculate: 1) Mean (2) Frequencies (3) Median (4) Mode 1) T (2) 477TTAT 13) eze (4)
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  • Ashish sharma Best Answer
    79 - option A To present such a large amount of data so that a reader can make sense of it easily, we condense it into groups like 0-9, 10-19,20-29, 30-39, . . ., 90-99. These g...
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  • Ashish sharma thankyou
    80 option-B is correct,. We generally use tally bars to count the frequency in a series. Whenever an item occurs in a series, it is represented by a ‘|’. This is an item occu...
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