Stats Lakin

Question 1

What are the 3 branches of statistics?

Answer 1

1) Data Collection
2) Descriptive Statistics
3) Inferential Statistics

Question 2

What branch of statistics is concerned with the fairness and representativeness of the sample of the population?

Answer 2

Data Collection

Question 3

What is the branch of statistics ‘Data Collection’ concerned with?

Answer 3

The collection, fairness and representativeness of the sample of the population?

Question 4

What branch of statistics is concerned with presenting the data we have, in an understandable way?

Answer 4

Descriptive Statistics

Question 5

What is the branch of statistics ‘Descriptive Statistics’ concerned with?

Answer 5

Presenting the data we have, in an understandable way; usually visually (graphs and charts) or numerically (averages etc)

Question 6

What branch of statistics is concerned with deriving conclusions and testing hypotheses?

Answer 6

Inferential Statistics

Question 7

What is the branch of statistics ‘Inferential Statistics’ concerned with?

Answer 7

Making conclusions about the data, “What is this data telling us, and what should we do?”

Question 8

What are the two distinct types of data in statistics?

Answer 8

1) Discrete data; distinct values, clearly identified and separated. (roll of a die etc)
2) Continuous data; Can take any value. e,g, speed of a car which can be any value depending only on the accuracy of the measurement.

Question 9

What sort of data is discrete?

Answer 9

distinct values, clearly identified and separated. (roll of a die etc)

Question 10

What sort of data is continuous?

Answer 10

Continuous data can take any value. e,g, speed of a car which can be any value depending only on the accuracy of the measurement.

Question 11

What sort of data is a series of temperature measurements

Answer 11

Continuous

Question 12

What sort of data is whole numbers between 1 and 100

Answer 12

Discrete