### both a bar chart and a pie chart

Fifteen percent of the students in a school of Business Administration are majoring in Economics, 20% in Finance, 35% in Management, and 30% in Accounting. The graphical device(s) which can be used to present these data is (are)

### categorical data

A researcher is gathering data from four geographical areas designated: South = 1; North = 2; East = 3; West = 4. The designated geographical regions represent

### number of items in several classes

A frequency distribution is a tabular summary of data showing the

### crosstabulation

A tabular method that can be used to summarize the data on two variables simultaneously is called

### 0.75

Exhibit 2-1The numbers of hours worked (per week) by 400 statistics students are shown below.

Number of hours Frequency

0 - 9 20

10 - 19 80

20 - 29 200

30 - 39 100

Refer to Exhibit 2-1. The cumulative relative frequency for the class of 20 - 29

### 100

Exhibit 2-1The numbers of hours worked (per week) by 400 statistics students are shown below.

Number of hours Frequency

0 - 9 20

10 - 19 80

20 - 29 200

30 - 39 100

Refer to Exhibit 2-1. The number of students working 19 hours or less is

### less than or equal to this value

The pth percentile is a value such that at least p percent of the observations are

### the mean

In a five number summary, which of the following is not used for data summarization?

1st quartile

median

mean

largest value

### 7

Exhibit 3-6The closing stock price of MNM Corporation for the last 7 trading days is shown below.

Day Stock Price

1 84

2 87

3 84

4 88

5 85

6 90

7 91

Refer to Exhibit 3-6. The range is

### 5

Exhibit 3-2A researcher has collected the following sample data

4 5 5 5 6

6 7 8 12 12

Refer to Exhibit 3-2. The mode is

### sample statistic

A numerical value used as a summary measure for a sample, such as sample mean, is known as a