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Practice 20 Statistics

2 Comnent on the tollowing statemcnts
for his or hcr vicWs.
b To find out the students vicws on a possiblc change lo the school
principal asked 60 students from Ycar 12 to givc thcir VicWs.
3 In a survey of school girls to deternine their favourite sport, the following ata
a How many girls were surveycd?
4 50 randomly selected students werc asked about
their method of transport to school. The results of
the survey are displayed in the graph opposite.
5 During the 38 game scason, Franki played in all games and scored 122 goals. Du:
to injury, Hugo played only 25 games in the season, and scored a total of 85 goak
Which player received the trophy for the ‘greatest average number of goals scord
6 The following data are the ages of students in a chess club:

13 14 15 12 17 13 16 12 14 15 14 16 13 15 13 14 14 14
14 14 16 13 15 14 13 15 15 12 15 15 12 17 15 14 0

ii median lii mode of the ages.