types of data (nominal etc.), discrete vs. continuous data Flashcards Preview

Introduction to Biostatistics > types of data (nominal etc.), discrete vs. continuous data > Flashcards

Flashcards in types of data (nominal etc.), discrete vs. continuous data Deck (19)
Loading flashcards...
1

Sex, preferred type of chocolate, and colour, are examples of what type of variable?

Nominal

2

Rank, satisfaction, and faniciness are examples of what type of variable?

Ordinal

3

Continuous variables are which type of numbers?

Fractions

4

Discrete variables are which type of numbers?

Whole numbers

5

Interval/ratio scale is which type of variable?

Quantitative variable

6

List the 2 types of errors in samples...

1. Sampling error
2. Non-sampling error

7

List the 4 data collection methods...

1. Controlled experiments
2. Observational studies
3. Simulations
4. Experimental design

8

Nominal and ordinal variables are quantitative or qualitative/categorical variables?

Qualitative/categorical variables

9

Number of customers, weight, age, and size, are examples of which type of variable?

Interval/ratio scale

10

Qualitative varialbes are sometimes known as....?

Categorical variables

11

The variable that does have a meaningful order, can represent different levels between numbers, can sometimes calculate mean/average, and is summarised as a frequency?

Ordinal

12

The variable that has no sense of order, can be given a numerical code but the numbers dont imply order, and is summarised using frequency or percent?

Nominal

13

Which variable can give the most precise measurement?

Interval/ratio scale

14

Suppose that, in a certain statistical computer package which cannot handle alphabetical data, we type 4 to represent a High Distinction, 3 for a Distinction, 2 for a Credit, 1 for a Pass (or Conceded Pass), and 0 for a Fail. What type of numbers are these?
Select one:
a. Either Interval or Ratio, depending on how they are used.
b. Interval
c. Ratio
d. Nominal
e. Ordinal

e. Ordinal

15

In a class evaluation exercise, you are given a statement and are asked to indicate your reaction to it, on a scale from 1 - Strongly Agree to 5 - Strongly Disagree. What type of numbers are these?
Select one:
a. Either Interval or Ratio, depending on how they are used.
b. Ratio
c. Ordinal
d. Nominal
e. Interval

c. Ordinal

16

Angela is recording the numbers of defects that she can see under a microscope in each of 10 finished surfaces. What type of numbers are these?
Select one:
a. Nominal
b. Ordinal
c. Interval
d. Ratio
e. Either Interval or Ratio, depending on how they are used.

d. Ratio

17

A variable pulse contains heart rate measurements, in beats per minute (bpm). What Measure should be assigned to this variable in SPSS?
Select one:
a. Ordinal
b. Interval
c. Nominal
d. Ratio
e. Scale

e. Scale

18

A variable opinion is measured on the Likert scale, 1 "Strongly disagree", 2 "Disagree", 3 "Neither agree nor disagree", 4 "Agree", 5 "Strongly agree". What Measure should be assigned to this variable in SPSS?
Select one:
a. Scale
b. Ratio
c. Ordinal
d. Nominal
e. Interval

c. Ordinal

19

A variable phone has values 1 "Android", 2 "iOS", 3 "Windows", 4 "BlackBerry", or 5 "Other". What Measure should be assigned to this variable in SPSS?
Select one:
a. Scale
b. Ratio
c. Ordinal
d. Nominal
e. Interval

d. Nominal