Question

50-10*2 of 5+(40-4)÷9​

Answer 1

Step-by-step explanation:

=50-10×2×5+(40-4)÷9

=50-10×2×5+36÷9

=50-10×2×5+4

=50-100+4

=50-96

= -46

Answer 2

Step-by-step explanation:





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Class 11

>>Applied Mathematics

>>Numerical Applications

>>Average

>>Find the mean of the following distribut

Question



Find the mean of the following distribution

x:1030507089f:78101510

Medium

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Updated on : 2022-09-05

Solution



Verified by Toppr

Calculation of Mean

 xi fifixi

 10 7 70 30 8 240 50 10 500 70 15 1050 89 10 890

N=∑fi=50       ∑fixi=2750∴ Mean = N∑fixi=502750=55