Chapter 1 Flashcards Preview

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Flashcards in Chapter 1 Deck (12):
1

Descriptive statistics

Procedures for organizing, summarizing, and describing data

2

Inferential statistics

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

3

Probability

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

4

Magnitude

< > =

5

Ratio scale

Has magnitude, equal intervals, and absolute 0

6

Interval scale

Magnitude and equal intervals but no absolute 0

7

Ordinal scale

Only magnitude eg. Ranking kids heights from tallest to shortest

8

Nominal scale

No magnitude, just categories eg make of a car

9

Discrete variable

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

10

Continuous variable

Infinite values between two points eg 1.000002465

11

Lower real limit

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

12

Upper real limit

Any number greater would be rounded up eg 33.5