Samples and Populations

Question 1

A question where the answer varies, so we need to collect data to find the answer.

Answer 1

Statistical Question

Question 2

Information collected from a statistical question.

Answer 2

Data

Question 3

The entire group we want to study; this could be all lizards on an island, all students in a school, all trees in a forest, etc.

Answer 3

Population

Question 4

A part of the population used to gather information, representing the entire population.

Answer 4

Sample

Question 5

The sample doesn’t represent everyone fairly.

Answer 5

Bias Data

Question 6

Surveying a variety of people. A sample where every individual in the sample is selected at random from the population.

Answer 6

Random Sample

Question 7

The number of observations/individuals in the sample. Larger sample sizes make better data.

Answer 7

Sample Size

Question 8

Once a sample has been collected from a population, an________________ can be made about the entire population.

Answer 8

Inference