Brainscape's Knowledge GenomeTM

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


See full index

AP Statistics > Summer Work Flashcards > Flashcards

Summer Work Flashcards

1
Q

Individuals

A

The objects described by a set of data.

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

Variable

A

Any characteristic of an individual. It can take different values for different individuals.

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

Categorical Variable

A

Separates individuals into multiple groups or categories.

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

Quantitative Variable

A

Takes numerical values for which it makes sense to find an average.

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

Discrete Variables

A

Variables that can only take on a certain number of values between its minimum and maximum values.

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

Continuous Variables

A

Variables that can take on any number of values between its minimum and maximum values.

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

Univariate Data

A

A study that only looks at one variable.

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

Bivariate Data

A

A study that looks at the relationship between two variables.

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

Population

A

The entire group from which a statistical sample is drawn.

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

Sample

A

A set of observations drawn from a population.

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

Census

A

A study that obtains data from every member of a population.

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

Distribution

A

Shows what values a variable takes and how often it takes them.

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

Inference

A

A conclusion drawn that goes beyond the available data.

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

Frequency Table

A

A table that shows frequency counts for a variable.

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

Relative Frequency

A

The frequency count of a subgroup divided by the frequency count of the total population.

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

Table

A

A chart that displays data in rows or columns.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Roundoff Error

A

Occurs when the rounded percents don’t equal 100%.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Pie Chart

A

A circular chart that is divided into sections to show numerical proportions.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Bar Graph

A

A chart that represents the data from each category as a horizontal or vertical bar.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Two-Way Table

A

A chart that displays data for two categorical variables.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Marginal Distribution

A

The distribution of one of the variables in a two-way table among all individuals shown in the table.

22
Q

Conditional Distribution

A

Describes the values of a variable among individuals who have a specific value of another variable.

23
Q

Segmented Bar Graph

A

A bar graph where each bar is divided into segments to compare distributions of variables.

24
Q

Side-By-Side Bar Graph

A

A bar graph where the bars are split into colored bar segments to show multiple values for one variable.

25
Q

Association

A

Knowing that the value of one variable helps predict the value of the other.

26
Q

Simpson’s Paradox

A

A phenomenon in which a trend appears in several different groups of data but disappears or reverses when the groups are combined.

27
Q

Dotplot

A

A chart where each data value is shown as a dot above its location on a number line.

28
Q

Shape

A

Describes how the data is distributed on the graph.

29
Q

Mode

A

The most common value in a data set.

30
Q

Center

A

The midpoint of all the values in a data set.

31
Q

Spread

A

The range of the data.

32
Q

Range

A

The difference between the smallest and largest values in a data set.

33
Q

Outlier

A

A data value that is an abnormal distance away from the other values in a data set.

34
Q

Symmetric

A

The right and left sides of a graph are roughly mirror images of each other.

35
Q

Skewed Right

A

The right side of the graph is longer than the left side.

36
Q

Skewed Left

A

The left side of the graph is longer than the right side.

37
Q

Unimodal

A

A graph that has one peak.

38
Q

Bimodal

A

A graph that has two peaks.

39
Q

Multimodal

A

A graph that has three or more peaks.

40
Q

Stemplot

A

A chart that shows how individual values are distributed within a set of data.

41
Q

Splitting Stems

A

A stemplot that has more than one space on the stem for the same interval.

42
Q

Back-To-Back Stem Plots

A

A stemplot that has one stem with leaves on both sides of the column.

43
Q

Histogram

A

A chart similar to a bar graph that divides a range of data into columns along the x-axis.

44
Q

Mean

A

The average value of a data set.

45
Q

Median

A

The midpoint value of a data set.

46
Q

Interquartile Range

A

The range of the middle 50% of the data.

47
Q

Five Number Summary

A

Consists of the minimum, the first quartile, the median, the third quartile, and the maximum of a data set.

48
Q

Boxplot

A

A graph where each of the numbers in a five number summary are plotted on a number line.

49
Q

Standard Deviation

A

A measure of the amount of variation in a data set.

50
Q

Variance

A

A numerical value used to show how widely individuals in a group vary.

AP Statistics (1 decks)

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