Ch1 - Role of Statistics

Question 1

Step 1 : A

Answer 1

experiment
(ex. compare two studying methods)

Question 2

Step 1 : B

Answer 2

Data
(ex. test scores for the students in each sample)

Question 3

Step 2

Answer 3

descriptive statistics:
organize and simplify

Question 4

Step 3

Answer 4

inferential statistics:
Interpret results