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Statistics - 3

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Multiple Choice

Directions: Following is the table for the results of the heights of some plants which were grown in laboratory and recorded after 30 days (in mm)

Height (in mm) Frequency
200 - 210 2
210 - 220 3
220 - 230 1
230 - 240 5
240 - 250 7

What is cumulative frequency for first class?

  1. 0
  2. 2
  3. 4
  4. 6