CA CPT Model Test Paper 7 with solutions for online practice

Question : 191 of 200

Marks: +1, -0

Mean and S. D. of a given set of observations is 1,500 and 400 respectively. If there is an increment of 100 in the first year and each observation is hiked by 20% in 2

^{\nd}

years, then find new mean and S.D.

1920,480
1920,580
1600,480
1600,400

Validate

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