# statistics vocabulary

Studied by 38 people
5.0(3)
get a hint
hint

Convenience Sampling

1 / 29

## Tags and Description

### 30 Terms

1

Convenience Sampling

choosing individuals from the population who are easy to reach results in a convenience sample

New cards
2

often underrepresents the data

New cards
3

voluntary response sampling

a sampling method that consists of people who choose to be in the sample by responding to a general invitation

New cards
4

why are voluntary response samples bad

people who feel strongly about an issue, particularly people with strong negative feelings, are more likely to take the trouble to respond

New cards
5

random sampling

a sampling method that involves using a chance process to determine which members of a population are included in the sample

New cards
6

random sampling methods

simple random samples (SRS) stratified random samples cluster random samples systematic random samples

New cards
7

bias

would consistently underestimate or consistently overestimate the value you want to know when the study is repeated many times

New cards
8

simple random samples (SRS)

a sample chosen in such a way that every group of n individuals in the population has an equal chance of being selected as the sample

New cards
9

sampling variability

when different samples of the same size from the population produce different estimates

New cards
10

stratified samples

the population is divided into smaller groups, subpopulations (strata), then another random sampling method is used to create the sample

New cards
11

cluster samples

population is divided into smaller groups, clusters, that are then randomly selected for the sample

New cards
12

systematic samples

researchers select members of the population at the same intervals (k) determined in advance

New cards
13

undercoverage

some members of the population are less likely to be chosen or cannot be chosen for the sample

New cards
14

nonresponse

when an individual chosen for a sample cant be contacted or refuses to participate

New cards
15

response bias

there is a consistent pattern of inaccurate responses to a survey question

New cards
16

population

entire group of individuals we want info about

New cards
17

census

collects data from every individual in the population

New cards
18

sample

subset of individuals in the population from which we collect data

New cards
19

confounding

occurs when two variables are associated in such a way that their effects on a response variable cannot be distinguished from each other

New cards
20

response variable

measures the outcome of the study

New cards
21

explanatory variable

may help predict or explain changes in a response variable

New cards
22

New cards
23
New cards
24
New cards
25
New cards
26
New cards
27
New cards
28
New cards
29
New cards
30
New cards

## Explore top notes

Note
Studied by 19 people
Updated ... ago
5.0 Stars(2)
Note
Studied by 37 people
Updated ... ago
5.0 Stars(1)
Note
Studied by 2 people
Updated ... ago
5.0 Stars(1)
Note
Studied by 2 people
Updated ... ago
5.0 Stars(1)
Note
Studied by 9 people
Updated ... ago
5.0 Stars(1)
Note
Studied by 7 people
Updated ... ago
5.0 Stars(1)
Note
Studied by 1816 people
Updated ... ago
4.7 Stars(11)
Note
Studied by 4127 people
Updated ... ago
4.5 Stars(13)

## Explore top flashcards

Flashcard21 terms
Studied by 101 people
Updated ... ago
5.0 Stars(2)
Flashcard72 terms
Studied by 25 people
Updated ... ago
5.0 Stars(3)
Flashcard26 terms
Studied by 1 person
Updated ... ago
5.0 Stars(1)
Flashcard25 terms
Studied by 3 people
Updated ... ago
5.0 Stars(1)
Flashcard20 terms
Studied by 7 people
Updated ... ago
5.0 Stars(1)
Flashcard106 terms
Studied by 2 people
Updated ... ago
5.0 Stars(1)
Flashcard70 terms
Studied by 45 people
Updated ... ago
5.0 Stars(3)
Flashcard45 terms
Studied by 9 people
Updated ... ago
5.0 Stars(1)