Chapter 10 Statistics And Probability

Question 1

Statistics

Answer 1

The study of how to collect, organize, analyze, and interpret numerical information or data

Question 2

Descriptive statistics

Answer 2

Used to describe the data

Question 3

Inferential statistics

Answer 3

used to draw conclusions or make decisions from the data

Question 4

Graph

Answer 4

A visual display that communicates a basic form of the data

Question 5

Bar graph

Answer 5

A visual tool that uses vertical or horizontal bars to illustrate data classified into categories

Question 6

Chart title

Answer 6

It is located at the top of the graph and indicates what data is displayed

Question 7

Scale

Answer 7

Located on the vertical access it helps to identify the height of each bar

Question 8

Grid lines

Answer 8

Horizontal lines that extends from the major points of the scale

Question 9

The zero line

Answer 9

Establishes the beginning of each bar

Question 10

Category label

Answer 10

Indicate what data category that bar displays

Question 11

Axis title

Answer 11

What the axis is measuring

Question 12

Trend

Answer 12

A pattern with in a graph

Question 13

Segmented bar graph

Answer 13

Contains multiple categories within each a bar to bar representing the total of it subcategories

Question 14

Percent of change

Answer 14

Indicate how much a quantity increased or decreased across categories

Question 15

Circle graph

Answer 15

Uses sectors of a circle try to relate parts of some group to the entire group

Question 16

Qualitive information

Answer 16

Nonnumeric information that can be absorbed but not measured

Question 17

Quantitive information

Answer 17

Information that can be measured with numeric information

Question 18

Classes

Answer 18

Number categories

Question 19

Stem and leaf plot

Answer 19

A numeric illustration of how frequently values occur in certain class is

Question 20

Frequency distribution

Answer 20

Lists the number of data values within each class

Question 21

Meausure of center

Answer 21

Algorithms for determining the middle number

Question 22

Mean

Answer 22

Average of data values

Question 23

Median

Answer 23

The “Middle “data value

Question 24

Mode

Answer 24

The data value that occurs most often

Question 25

Outlier

Answer 25

A data value that lives far away from the rest of the data values

Question 26

Resistance

Answer 26

Describes how much a particular statistic resist change caused by extreme values

Question 27

Dispersion

Answer 27

Variation

Question 28

Range

Answer 28

Way to calculate dispersion

Question 29

Five number summary

Answer 29

Minimum, maximum, first and third quartile, median

Question 30

Skewness

Answer 30

Measure of asymmetry in frequency distribution

Question 31

Univariate date

Answer 31

Single variable data about one characteristic

Question 32

Bivariate data

Answer 32

Two different characteristics of a single

Question 33

Explanatory variable

Answer 33

Independent variable

Question 34

Response variable

Answer 34

Dependent variable

Question 35

Line of fit

Answer 35

Line that passes through a scatter plot and describes the average

Question 36

Exponential growth

Answer 36

Describes a quantity that grows at a rate proportional to its size

Question 37

Interpolation

Answer 37

Practice of predicting results with in the bounds of the original data

Question 38

Outcome

Answer 38

Any possible result of an event

Question 39

Successful outcome

Answer 39

Outcome that will give the requested result

Question 40

Probability

Answer 40

Number of successful outcomes divided by the number of outcomes

Question 41

Mutually exclusive

Answer 41

If the occurrence of event a makes the occurrence of event b impossible event a and B are mutually exclusive