Lecture 1 Flashcards
1
Q
Categorical variables
A
nominal, ordinal, dichotomous
2
Q
Continuous variables
A
interval, ratio
3
Q
What is nominal and give example
A
no intrinsic order. ex: shirt color, quarantine activity
4
Q
What is ordinal and give example
A
Have order. ex: tofu liking scale
5
Q
What is dichotomous
A
only 2 values. ex: gender
6
Q
What is interval and give example
A
Numeric value; is measured. ex: temperature; standardized exam scores
7
Q
What is ratio and give example
A
Like interval, but value of 0 indicates there is nothing. ex: height, age, weekly food spending.
8
Q
How many sig figs? 2.0
A
2
9
Q
Number sig figs? 20.00
A
4
10
Q
Number sig figs? 0.003
A
1
11
Q
Number sig figs? 0.060
A
2
12
Q
Number sig figs? 700
A
1
13
Q
Number sig figs? 6.70 X10^3
A
3
14
Q
Number sig figs? 5050
A
3 (the first 3 digits)
15
Q
Number sig figs? 90000
A
1
