A botanist grew 15 pepper plants on the same greenhouse bench. After 21 days, she measured the total stem length (cm) of each plant, and obtained the following values:

(a) Construct a dotplot for these data, and mark the positions of the quartiles.
(b) Calculate the interquartile range.
(c) Are there any outliers? Briefly justify your answer.

Transcribed Image Text:

12.4 12.2 13.4 10.9 12.2 12.1 11.8 13.5 12.0 14.1 12.7 13.2 12.6 11.9 13.1