1.

What is the population variance of the data 16,14,15,12,24,13​

Answer» ONG>Answer:

=

10

6+8+10+12+14+16+18+20+22+24

=

10

150

=15

Variance=

10

∑(X−

x

)

2

=

10

(6−15)

2

+(8−15)

2

+(10−15)

2

+(12−15)

2

+(14−15)

2

+(16−15)

2

+(18−15)

2

+(20−15)

2

+(22−15)

2

+(24−15)

2

=

10

(−9)

2

+(−7)

2

+(−5)

2

+(−3)

2

+(−1)

2

+(1)

2

+(3)

2

+(5)

2

+(7)

2

+(9)

2

=

10

81+49+25+9+1+1+9+25+49+81

=

10

330

=33

∴ Variance =33



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