Answer:
The graph which is least useful for assessing normality is
(a) Boxplot
Step-by-step explanation:
(b) The stem plot can be used in the same way as an histogram. Long leaves and short leaves combined can show normality of a given data set
(c) An histogram, can be used to show normality by displaying the range of values which nave the highest frequency shown as having the highest height
(d) The Dotplot can show normality by the concentration of the dots on the graph
(e) The normal probability plot is used to assess the normality of data
(a) However, the boxplot is used to compare two datasets rather than a single population, with several data values.
