Chapter 1

Question 1

Individual

Answer 1

The object being tested

Question 2

Variable

Answer 2

Characteristic of an individual

Question 3

Categorical

Answer 3

Places an individual into one of several categories

Question 4

Quantitative

Answer 4

Numerical data with units of which you can find an average

Question 5

Distribution

Answer 5

Tells us what values the variable takes and how often it takes each variable

Question 6

Marginal distribution

Answer 6

Big portion to groups of individuals over the total

Question 7

Conditional distribution

Answer 7

Small portion to single individuals over the smaller total

Question 8

Association

Answer 8

When 2 bars or data’s are related or relationship

Question 9

Socs

Answer 9

Shape,outlier, center, spread

Question 10

Skewed left

Answer 10

Highest bar is on the right

Question 11

Skewed right

Answer 11

Highest bar is on the left

Question 12

Symmetric

Answer 12

Everything is close to the median

Question 13

Mean

Answer 13

Adding up all the #’s in a data set and dividing by the # of variables that are there

Question 14

Median

Answer 14

The # in the middle

Question 15

Interquartile Range (IQR)

Answer 15

Q3-Q1

Question 16

Statistic

Answer 16

A number that describes a characteristic of a data sample

Question 17

Standard deviation

Answer 17

The measure of spread

Question 18

Variance

Answer 18

The amount of variability or spread in a set of data. IQR or standard deviation.