Math, asked by rnegi6075, 2 months ago

help me it is urgent

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Answered by TheNirvaanSharma

2

Step-by-step explanation:

sigma fi =200

sigma fixi= 3000

mean = sigma fixi/

sigma fi

= 3000/200=15

Answered by lakshay5016

14

∑fi= 200 and ∑fixi= 532500

x= ∑fixi/ ∑fi

x= 532500/200

x= 2662.5

∴ Mean expenditure is Rs.2662.5

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