Chapter 1

Question 1

Descriptive statistics

Answer 1

Procedures for organizing, summarizing, and describing data

Question 2

Inferential statistics

Answer 2

Making inferences about a larger group of individuals based on data collected from a smaller group

Question 3

Probability

Answer 3

1 (certain) to 0 (impossible) that the results happened because of variability

Question 4

Magnitude

Answer 4

< > =

Question 5

Ratio scale

Answer 5

Has magnitude, equal intervals, and absolute 0

Question 6

Interval scale

Answer 6

Magnitude and equal intervals but no absolute 0

Question 7

Ordinal scale

Answer 7

Only magnitude eg. Ranking kids heights from tallest to shortest

Question 8

Nominal scale

Answer 8

No magnitude, just categories eg make of a car

Question 9

Discrete variable

Answer 9

Can only have a countable number of values between two points (no half values) eg the number between 1 and 3

Question 10

Continuous variable

Answer 10

Infinite values between two points eg 1.000002465

Question 11

Lower real limit

Answer 11

Any number lower would be rounded out to be a smaller number eg 33.5

Question 12

Upper real limit

Answer 12

Any number greater would be rounded up eg 33.5