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The height of 20 students of class VI are noted as follows: 2+2=44, 4.5, 5, 5.5, 4, 4, 4.5, 5, 5.5, 4, 3.5, 3.5, 4.2, 4.6, 4.2, 4.7, 5.5, 5.3, 5, 5.5(i) Make a ungrouped frequency distribution table for the above data.(ii) Which is the most common height and which is the rarest height among these students?Don't spam otherwise I will report u |
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Answer» Minimum height =131cm Maximum height =156cm Range =156−131=25 Number of CLASSES =4 Class range =425=6.25 APPROX 6 class 1=131+6=137 class 2=137+6=143 class 3=143+6=149 class 4=149+6155 class 5=155+6=161 Class interval Frequency 131−137 9 137−143 3 143−149 2 149−155 4 155−161 2 |
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