VCE Further Maths - Data Distributions

• Both categorical variable

• Both numerical variables

• an ordinal & a nominal variable respectively

• a discrete & a nominal variable respectively

• a continuous and a nominal variable respectively

The number of students with brown hair is closest to:

• 4

• 34

• 57

• 72

• 114

The total number of females in the group:

• 76

• 78

• 111

• 113

• 189

The number of males who said they were on a diet is:

• 31

• 45

• 47

• 66

• 78

The % of females not on a diet is closest to:

• 39.7%

• 41.5%

• 59.5%

• 60.3%

• 66.0%

The percentage of people on a diet who were male is:

• 39.7%

• 40.8%

• 41.5%

• 58.4%

• 76.0%

The histogram displays the test

scores of a class of students. The number of students is:

• 6

• 18

• 20

• 21

• 22

The number of students in the class who obtained a test score less than 14 is:

• 4

• 10

• 14

• 16

• 28

The histogram is best described as:

• negatively skewed

• negatively skewed with an outlier

• approximately symmetric

• approximately symmetric with an outlier

• positively skewed

The centre of the distribution lies in the interval:

• 8–10

• 10–12

• 12–14

• 14–16

• 18–20