Question

Which statements best describe the data?1, 6, 6, 6, 8Eight is an outlier.The data is concentrated around 6 and 1 is an outlier.The mean is 4.5 and the range is 7.The range is 6.

Answer 1

SOLUTION

8 is not an outlier, the outlier is 1.

The mean is

$\frac{1+6+6+6+8}{5}=\frac{27}{5}=5.4$

Hence, the mean is 5.4 not 4.5.

The range is,

$8-1=7$

Hence, the range is 7 not 6.

Therefore, the answer is the data is concentrated around 6 and 1 is an outlier.