Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Algebra 2 > Gathering Data Vocabulary > Flashcards

Gathering Data Vocabulary Flashcards

1
Q

Population

A

The entire group of subjects.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Census

A

Survey of the entire population.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Sample

A

Part of the population surveyed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Unbiased

A

Every member has an equal chance of being selected.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Statistic

A

A number that describes a study.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Parameter

A

A number describing a population.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Convenience Sample

A

Select subjects of the population who are conveniently ready and available.

Teacher chooses her math students for a survey.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Self-Selected sample

A

Selected subjects of the population who volunteer for the sample.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Systematic sample

A

Order the population in some way.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Simple random sample

A

All members of the population are equally likely to be selected.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cluster sample

A

Population divided into groups, some groups are randomly selected, and either all the individuals in the selected group are selected or just some of the individuals from the selected groups are selected.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Stratified sample

A

Population divided into groups either way all members are selected.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Observational study

A

Measure, or observe subjects of a sample in a way they are not affected by the study,

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Controlled Experiment

A

Divide the sample into 2 groups. Impose a treatment on one but not the other. Then you compare the effect on the treated to the “control” group.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Survey

A

Ask every subject of the sample a set of questions.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Mean

A

Add up all numbers, then divide by how many numbers there are.

17
Q

Median

A

Middle number.

18
Q

Mode

A

Number you see various of times.

666 👿

19
Q

Range

A

Difference between greatest number and the least number.

20
Q

Standard deviation

A

Difference between the data values and the mean.

21
Q

Variance

A

The square up of the SD.

22
Q

Outliers

A

A value that’s much less or much greater than most of the other values in the data set.

Algebra 2 (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions