Math, asked by hari0707, 11 months ago

the standard deviation of 30 observations is √6 if each observation is multiplied by 3 find the standard deviation and variance of resulting observations

Answers

Answered by kalepadmaja1977
1

Answer:

it remains same

Step-by-step explanation:

as the formula is attached

the mui=arithmetic mean

as 3 is multiplied to all values the am also get multiple by same value

so in the over all (x-mui) remains same

N is also constant so the value never chages

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