Question 1

To construct a pie chart, the class frequencies are converted to __________________

Accepted Answer

The answer of To construct a pie chart, the class...

Question 2

Refer to the following breakdown of responses to a survey of room cleanliness in a hotel.  What percent of the responses indicated that customers were satisfied?

Accepted Answer

The answer of Refer to the following breakdown of responses...

Question 3

A small sample of computer operators shows monthly incomes of $1,950, $1,775, $2,060, $1,840, $1,795, $1,890, $1,925 and $1,810. What are these ungrouped numbers called?

Accepted Answer

A)  Histogram 
B)  Class limits 
C)  Class frequencies 
D)  Raw data

Question 4

In a bar chart, the x-axis is labeled with the values of a qualitative variable.

Accepted Answer

A) True 
 B)False

Question 5

A frequency polygon is a very useful graphic technique when comparing two or more distributions.

Accepted Answer

A) True 
 B)False

Question 6

Refer to the following breakdown of responses to a survey of "How confident are you that you saved enough to retire"?  What is the class interval for the frequency table above?

Accepted Answer

A)  10 
B)  20 
C)  40 
D)  None of the above

Question 7

Refer to the following information from a frequency distribution for "heights of college women" recorded to the nearest inch: The first two class midpoints are 62.5" and 65.5".
What are the class limits for the third class?

Accepted Answer

A)  64 and up to 67 
B)  67 and 69 
C)  67 and up to 70 
D)  66 and 68

Question 8

Refer to the following breakdown of responses to a survey of "How confident are you that you saved enough to retire"?  What is the class with the greatest frequency?

Accepted Answer

A)  Very confident. 
B)  Somewhat confident. 
C)  Not very confident. 
D)  Don't know.

Question 9

For the following distribution of heights, what are the limits for the class with the greatest frequency?

Accepted Answer

A)  64 and up to 70 
B)  65 and 69 
C)  65 and up to 70 
D)  69.5 and 74.5

Exam 2: Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

To construct a pie chart, the class frequencies are converted to __________________

Refer to the following breakdown of responses to a survey of room cleanliness in a hotel. What percent of the responses indicated that customers were satisfied?

A small sample of computer operators shows monthly incomes of $1,950, $1,775, $2,060, $1,840, $1,795, $1,890, $1,925 and $1,810. What are these ungrouped numbers called?

In a bar chart, the x-axis is labeled with the values of a qualitative variable.

A frequency polygon is a very useful graphic technique when comparing two or more distributions.

Refer to the following breakdown of responses to a survey of "How confident are you that you saved enough to retire"? What is the class interval for the frequency table above?

Refer to the following information from a frequency distribution for "heights of college women" recorded to the nearest inch: The first two class midpoints are 62.5" and 65.5". What are the class limits for the third class?

Refer to the following breakdown of responses to a survey of "How confident are you that you saved enough to retire"? What is the class with the greatest frequency?

For the following distribution of heights, what are the limits for the class with the greatest frequency?