Week 1

Question 1

What is the Population?

Answer 1

individuals, objects or measurements being studied

Question 2

What is a Parameter?

Answer 2

number used to represent a characteristic in the population e.g. the mean rating of a film

Question 3

What is a Sample?

Answer 3

subset of population

Question 4

What is a Representative Sample?

Answer 4

subset of population that has the same characteristics

Question 5

What is a Random Sample?

Answer 5

sample where the population is randomly chosen

Question 6

What is Data?

Answer 6

set of observations

Question 7

What is QuaLitative Data?

Answer 7

attribute which is valued by a label

Question 8

What is QuaNtitative Data?

Answer 8

attribute which is valued by a number

Question 9

What is Frequency?

Answer 9

number of occurrences of data

Question 10

What is Relative Frequency?

Answer 10

ratio of frequency to the total number of outcomes

Question 11

What is Cumulative Frequency?

Answer 11

accumulation of the previous relative frequencies

Question 12

What is Observational Data?

Answer 12

measuring without modifying subjects

Question 13

What is Experimental Data?

Answer 13

modifying subjects then measure