Statistics and Probability

Question 1

What is the difference between the highest and the lowest data values called?

Accepted Answer

Range

Question 2

What is the most commonly occurring data value called?

Accepted Answer

Mode

Question 3

What are complementary events?

Accepted Answer

Events whose probabilities add up to 1

Question 4

What is the middle value in an ordered set of data?

Accepted Answer

Median

Question 5

All of the people or things that we are interested in researching are called the:

Accepted Answer

population

Question 6

In a probability experiment, all of the possible outcomes of a trial are called the:

Accepted Answer

sample space

Question 7

"What's your favourite school subject?" This is an example of what kind of data?

Accepted Answer

Nominal

Question 8

What do you call the type of qualitative data that is ranked in order?

Accepted Answer

ordinal

Question 9

Which types of data are both quantitative?

Accepted Answer

Discrete, Continuous

Question 10

When a sample is not a good representation of the population, it is called a...

Accepted Answer

biased sample

Question 11

5 marbles are in a bag: 2 green, 2 blue, and 1 red. What's the probability of drawing green?

Accepted Answer

2/5

Question 12

What is the median of this data set? 5, 10, 11, 15, 19

Accepted Answer

11

Question 13

2, 43, 44, 47, 47, 50. The number "2" is...

Accepted Answer

an outlier

Question 14

Which of the following is an example of continuous data?

Accepted Answer

My dog weighs 7.6 kg.

Question 15

If I roll a six-sided die, the sample space is:

Accepted Answer

1, 2, 3, 4, 5, 6

Questions 15