LESSON 1

Data classified according to colour?

Question 1 options:

a)

Nominal

b)

Ordinal

c)

Interval

d)

Discrete

Question 2

Placement in a competition (e.g., 1st place, 2nd place, 3rd place, etc.)?

Question 2 options:

a)

Nominal

b)

Ordinal

c)

Interval

d)

Discrete

Question 3

The size of a building can be measured in many ways. Here are four examples: the floor area in square metres, the number of stories, the height of the building, the number of rooms.

What is true about these variables?

Question 3 options:

a) Some are qualitative, some are quantitative.

b) All are quantitative and continuous.

c) All are qualitative, some are continuous and some are discrete.

d) All are quantitative, some are continuous and some are discrete.

Question 4

Which of the following variables about a meal is qualitative?

Question 4 options:

a)

Calories

b)

Name of the food groups that are represented

c)

Number of vegetable servings

d)

Preparation time

Question 5

In which scenario is it better to take a sample rather than a census?

Question 5 options:

a) Testing light bulbs being manufactured in a plant to see how long they last.

b) Determining the termite population in a city.

c) Both a and b.

d) Neither a nor b.

Question 6

In order to determine the percentage of firecrackers that are duds, the manufacturer fires off every 1000th firecracker produced.

This is an example of:

Question 6 options:

a)

Convenience sampling

b)

Stratified sampling

c)

Simple random sampling

d)

Systematic sampling

Question 7

A sociologist at a Canadian university wants to study the attitudes of female university students in Canada towards careers. He interviews 100 of the female students enrolled in a first-year sociology course at his university.

What is the population in this situation?

Question 7 options:

a) Canadian female university students.

b) The 100 female students that were interviewed.

c) The female students taking this course.

d) All women in Canada taking first-year sociology.

Question 8

The administration of a secondary school wants to collect student opinions on a proposed new timetable. They decide to interview a simple random sample of 50 students in grade 9, a simple random sample of 50 students in grade 10, a simple random sample of 50 students in grade 11, and a simple random sample of 50 students in grade 12.

This is an example of:

Question 8 options:

a)

Systematic sampling

b)

Stratified sampling

c)

Multi-stage random sampling

d)

Cluster sampling

Question 9

An airline conducts customer satisfaction surveys by having their passengers complete questionnaires on its flights. In order to ensure that passengers have adequate time to complete the questionnaire, it is only given out on overseas flights. What type of bias might result?

Question 9 options:

a)

Voluntary bias.

b)

Household bias.

c)

No bias

Question 10

Which of the following is most true about telephone surveys?

Question 10 options:

a)

Prone to non-response bias.

b)

Never biased.

c)

Prone to voluntary bias.

d)

Only biased if the telephone numbers called are not randomly selected.