Twenty adults are selected at random, and each is asked to state the number of trips abroad that they have made. The results are shown in the following back-to-back stem-and-leaf diagram.

a. i. Draw box-and-whisker diagrams, using the same scales for males and for females.

ii. Interpret the key features of the data represented in your diagrams and compare the data for the two groups of adults.

b. In a summary of the data, a student writes, ‘The females have visited more countries than the males.’ Is this statement justified? Give a reason to support your answer.

Transcribed Image Text:

Males (9)| $ 3200 0 03 4 5 5 31112 3 6 201 2 9| 3 Females (11) Key: 3|1|1 represents 13 trips for a male and 11 trips for a female