Quiz One

Question 1

1 Variable

Answer 1

This called univariate
It’s the most straightforward
Ex. What is your major?
Sociology

Question 2

2 Variables

Answer 2

This is called bivariate
It involves two variables
Ex. What is your major and gender?
Sociology and female

Question 3

What are the two branches of statistics?

Answer 3

Descriptive Statistics

Inferential Statistics

Question 4

What is a sample?

Answer 4

It’s a subset of the population
Ex. If you ask how much money was spent on books by previous alumni, you would ask a small group of people, as you can’t possibly ask every previous alumni.

Question 5

What is a population?

Answer 5

All the subjects that would fit into a specific study

Question 6

What is descriptive statistics?

Answer 6

These are stats that describe/summarize what is going on

Question 7

What is inferential statistics?

Answer 7

These are stats where one will need to infer, make decisions, and make judgement

Question 8

Describe the relation between descriptive and inferential statistics

Answer 8

You start with a variable
Gather the descriptive statistics
Gather inferential statistics from the descriptive
You will make a judgment about the population

Question 9

What is a variable?

Answer 9

It’s something that changes from person to person or thing to thing

Question 10

What is a constant?

Answer 10

It’s something that doesn’t change in value

Question 11

What is study sample?

Answer 11

It’s what you conclude for a population

Question 12

When it comes to population, how are calculations made?

Answer 12

In parameter

Question 13

What is parameter?

Answer 13

Involves greek symbols

Question 14

When it comes to samples, how are calculations made?

Answer 14

In statistics

Question 15

What are statistics?

Answer 15

Involves the alphabet

Question 16

What is level of measurement?

Answer 16

It’s how you measure a particular variable

It determines what level of calculation we use

Question 17

Describe collectively exhaustive

Answer 17

• It’s a good thing
• It lists all possibilities
• It will include the choice “other” in your question

Question 18

How do you avoid overlaps?

Answer 18

• Be careful and mindful of categories/labels

- If you have no overlap, you have a mutually exclusive situation, which is a good thing

Question 19

If you have collectively exhaustive and no overlap, what happens?

Answer 19

For each respondent, there will be exactly one and only one choice

Question 20

In a survey question, if order is meaningful, we call this what?

Answer 20

Ordinal

Question 21

In a survey question, if order is random, we call this what?

Answer 21

Nominal

Question 22

In a survey question, when numbers and distance are involved, we call this what?

Answer 22

Interval-Ratio

Question 23

What are the three levels of measurement?

Answer 23

• Nominal
• Ordinal
• Interval-Ratio

Question 24

When there are two possible values, what do you call them?

Answer 24

Dichotomous values

Question 25

When there are only certain distinct values are possible, what is this called?

Answer 25

A discrete variable

Ex. number of siblings: 2

Question 26

When you can take any two values, and there can be a value between them, what is this called?

Answer 26

A continuous variable

Ex. Average amount of TV watched by the HC students daily (hours): 2.1, 2.3, 4

Question 27

Opinion or feeling questions in statistics are considered what?

Answer 27

Continious

Question 28

When you use groups rather than individual people, this is called what?

Answer 28

Aggregate data

Question 29

Aggregate data already exists and is also called what?

Answer 29

Ecological data

Ex. State, County, Nation

Question 30

In mapping, what does the coloring or shading indicate?

Answer 30

Values or range of values

Question 31

Why is ecological data used with caution?

Answer 31

Because sometimes one takes individual information and generalizes it to a group, or stereotyping. Group information may also be taken and assigned to an individual

Question 32

When individual information is generalized to a group, or group information is assigned to an individual, this is called what?

Answer 32

Ecological fallocy