Question 5 - A-Level Maths

Exam Board	CAIE
Module	S1 (Statistics 1)
Year	2016
Session	June
Topic	Measures of Location and Spread
Type	Construct back-to-back stem-and-leaf from raw data

5 The following are the maximum daily wind speeds in kilometres per hour for the first two weeks in April for two towns, Bronlea and Rogate.

Bronlea	21	45	6	33	27	3	32	14	28	24	13	17	25	22
Rogate	7	5	4	15	23	7	11	13	26	18	23	16	10	34

Draw a back-to-back stem-and-leaf diagram to represent this information.
Write down the median of the maximum wind speeds for Bronlea and find the interquartile range for Rogate.
Use your diagram to make one comparison between the maximum wind speeds in the two towns.