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Riya recorded the heights (in cm) of 20 students of her class. The shortest student is 132 cm and the tallest is 168 cm. She wants to make a grouped frequency table with class size 10, starting at 130.
Which class interval will the tallest student (168 cm) fall into?

Class 8Organising DataData Handling
  • A160-170
  • B150-160
  • C170-180
  • D168-178

Step-by-Step Solution

With class size 10 starting at 130: 130-140, 140-150, 150-160, 160-170. The value 168 lies between 160 and 170, so it falls in 160-170.
Answer: A) 160-170

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