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?

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