4.1 Notes Part 1

Question 1

All experimental units that you want to make a conclusion about

Answer 1

Population

Question 2

List of individual from whom the sample is drawn

Answer 2

Sampling Frame

Question 3

Not always the population of interest

Answer 3

Sampling Frame

Question 4

Small group of the population that you use in your experiment/study/survey

Answer 4

Sample

Question 5

-Asking people questions, telephone surveys, questionnaires
-Gathering information from people
-Studying a part in order to gain information about the whole

Answer 5

Sample

Question 6

What information we are investigating

Answer 6

Population Parameter of Interest

Question 7

Described a population

Answer 7

Parameter

Question 8

Often Unknown

Answer 8

Parameter

Question 9

A Fixed Value

Answer 9

Parameter

Question 10

Describes a sample of the population

Answer 10

Statistic

Question 11

Changes from Sample from Sample

Answer 11

Statistic

Question 12

Another word for population

Answer 12

Parameter

Question 13

Another word for Stastic

Answer 13

Sample

Question 14

Said to be representative or unbiased of the statistics are to be accurately reflect the population parameter

Answer 14

Sample

Question 15

Also known as Accuracy

Answer 15

Bias

Question 16

Also known as Reliability

Answer 16

Variability

Question 17

Consistent, repeated measurements that are close to the population parameter

Answer 17

Bias

Question 18

Consistent measurements (doesn’t matter if they are accurate or not)

Answer 18

Variability

Question 19

A way to reduce Bias

Answer 19

Random Sampling

Question 20

A way to reduce Variability

Answer 20

Large Samples

Question 21

When the center of the sampling distribution (histogram) is equal to the true parameter

Answer 21

Unbiased Estimator