Which of the following statements about Normal quantile plot

Which of the following statements about Normal quantile plots is (are) TRUE?

Select one or more:

a. The Normal quantile plot is a very useful graphical tool for assessing the adequacy of the Normal model.

b. If the points on a Normal quantile plot lie close to a straight line, the plot indicates that the Normal model is an adequate representation for the data.

c. Because you will see the usual mound-like appearance of the Normal distribution on a histogram, it is more helpful than the quantile plot for assessing Normality.

d. On a quantile plot, outliers will appear as points that are far away from the overall pattern of the plot.

Solution

in this all the statements leaving statement D are true as the normal quantile is the highest grade tool for model model which is highly used in probability plot and the data fall on the line y = mx+ b which represent the adequate data also the outliners are sometimes close to the pattern they are not always away from the plot so statement D is false.