A researcher was interested in the lengths of brook trout and obtained the following quantile-quantile plot for determining the Normality of the distribution:
Based on this graph, what is the best description of the data?

Question

A researcher was interested in the lengths of brook trout and obtained the following quantile-quantile plot for determining the Normality of the distribution:
 Based on this graph, what is the best description of the data?

Quizplus · Accepted Answer

The data appears to follow a normal distribution, but it is not a perfect fit to the standard normal distribution line. There is a slight curve in the plot indicating that the tails of the distribution may be slightly heavier than those of a standard normal distribution.

A Researcher Was Interested in the Lengths of Brook Trout