Test 1 Flashcards
1
Q
Statistics
A
Collection, analysis, and interpretation of data
2
Q
Individuals
A
People or things on which data is collected
3
Q
Variables
A
The information/data collected in the individuals
4
Q
Categorical variables
A
Putting data into groups
5
Q
Quantitative variables
A
Data that can be analyzed numerically
6
Q
Why?
A
Why collect the data
7
Q
Who?
A
What subjects does the data describe? How many?
8
Q
What?
A
How many variables? What units of measurement?
9
Q
Where?
A
Where does the data come from?
10
Q
When?
A
When was the data obtained?
11
Q
How?
A
Survey or experiment?
12
Q
Counts (frequency)
A
The actual number of times a data value is observed
13
Q
Rates
A
Percents or proportions (fractions) often clearer than counts
14
Q
Distribution
A
The distribution of a variable tells us values (GRAPH)
15
Q
Roundoff error
A
Results from rounding each values
