NDA2019MathematicsStatisticsActual
The class marks in a frequency table are given to be 5,10 , 15,20,25,30,35,40,45,50 . The class limits of the first five classes are
Options
- A3-7,7-13, 13-17, 17-23, 23-27
- B2.5-7.5,7.5-12.5,12.5-17.5, 17.5-22.5, 22.5-27.5
- C1.5-8.5,8.5-11.5,11.5-18.5,18.5-21.5,21.5-28.5
- D2-8,8-12,12-18,18-22,22-28
Correct answer
B. 2.5-7.5,7.5-12.5,12.5-17.5, 17.5-22.5, 22.5-27.5
Step-by-step solution
It can be clearly seen from options that class limits are 2.5-7.5,7.5-12.5, .