Relative Frequency Tables

Practice relative frequency tables! Learn to interpret and calculate data from surveys and charts.

Question 1:A primary school class was surveyed on whether its students could swim. The results are shown in the table below.(a) Complete the table. Can Swim Cannot Swim Total Boys 13 2 15 Girls 9 3 12 Total 22 5 27 (b) How many students are in the class? 27 (c) How many students are boys and girls who cannot swim? 5 (d) How many students are boys that cannot swim? 2 (e) What is the relative frequency that a student randomly selected from this class is a girl? (Answer as a whole percent, with the percent %) 44% (f) What is the relative frequency that a student randomly selected from this class is a non-swimmer? (Answer as a whole percent, with the percent %) 19% (g) What is the relative frequency that a student randomly selected from this class is a girl who can swim? (Answer as a whole percent, with the percent %) 33% Question 2:The players of a soccer club were divided into groups according to their age and weight.(a) Complete the table. Heavy Light Total Junior 64 96 160 Senior 144 32 176 Total 208 128 336 (b) How many players does the club have? 336 (c) How many players are juniors or light? (Hint: Add together all junior players + senior light players) 192 (d) How many players are juniors and in the heavy catagory? 64 (e) What is the relative frequency that a player selected at random is a Senior? (Answer as a whole percent, using the percent %) 52% (f) What is the relative frequency that a player selected at random is a Junior and Heavy? (Answer as a whole percent, using the percent %) 19% (f) What is the relative frequency that a player selected at random is a Senior and Light? (Answer as a whole percent, using the percent %) 10% Question 3:This incomplete table describes the audience watching a movie at a cinema.(a) Complete the table. Under 18 Over 18 Total Female 56 142 198 Male 45 101 146 Total 101 243 344 (b) How many males were in the audience? 146 (c) How many under 18 females were there in the audience? 56 (d) If a person is selected at random from the audience, what is the relative frequency that the person is male and over 18? (Answer as a whole percent, using the percent %) 29% (e) If a person is selected at random from the audience, what is the relative frequency that the person isover 18? (Answer as a whole percent, using the percent %) 71% (f) If a person is selected at random from the audience, what is the relative frequency that the person is male? (Answer as a whole percent, using the percent %) 42% (g) If a person is selected at random from the audience, what is the relative frequency that the person is under 18 and female? (Answer as a whole percent, using the percent %) 16%