Question
The variance of the data 2, 4, 6, 8, 10 is:
Answer: Option C
:
C
Mean(¯x)=∑xin=((2+4+6+8+10)5=6
Variance(σ2)=∑(x−¯x)2n=(2−6)2+(4−6)2+(6−6)2+(8−6)2+(10−6)25=(16+4+0+4+16)5=405=8
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:
C
Mean(¯x)=∑xin=((2+4+6+8+10)5=6
Variance(σ2)=∑(x−¯x)2n=(2−6)2+(4−6)2+(6−6)2+(8−6)2+(10−6)25=(16+4+0+4+16)5=405=8
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