could-this-graph-represent-a-variable-with-a-normal-distribution-if-so-estimate--3756c041

Question

Could this graph represent a variable with a normal distribution? If so, estimate the mean and standard deviation. If not, explain your reasoning.

Graph of a normal distribution curve with x-axis values ranging from 10 to 15, illustrating mean and standard deviation concepts.

Accepted Answer

No, because the curve crosses the $x$ -axis.

Answer

Yes

$mu almost equals 12.5$

$sigma almost equals 1.5$

Answer

Yes

$mu almost equals 12.5$

$sigma almost equals 1.5$

Answer

No, because the curve is symmetric.