STA 2014 Solution_Quiz 2-6 Exams

User         Dayana Diaz

Course       Introduction to Statistics

•         Question 1

2 out of 2 points

What is the lower class limit in the class 6-10 ? Selected Answer:

6

Correct Answer:   

6

•         Question 2

2 out of 2 points

For the class 7 - 20, the upper class limit is Selected Answer:

20

Correct Answer:   

20

•         Question 3

2 out of 2 points

What is the midpoint of the class 7-11 ? Selected Answer:

9

Correct Answer:   

9

•         Question 4

2 out of 2 points

For the class 16.3–23.8, the width is 8.5. Selected Answer: False

Correct Answer:   False

•         Question 5

2 out of 2 points

Greg wants to construct a frequency distribution for the political affiliation of the employees at Owen's Hardware Store. What type of distribution would be best?

Selected Answer:

Correct Answer:

categorical categorical

•         Question 6

2 out of 2 points

The lower class limit represents the smallest data value that can be included in the class. Selected Answer: True

Correct Answer:   True

•         Question 7

2 out of 2 points

What are the boundaries of the class 1.87–3.43 ? Selected Answer:

Correct Answer:

1.865–3.435

1.865–3.435

•         Question 8

2 out of 2 points

Which of the following pairs of class limits would be appropriate for grouping the numbers 10, 13, 8, and 15 ?

Selected Answer:

Correct Answer:

8-11 and 12-15

8-11 and 12-15

•         Question 9

2 out of 2 points

What is the upper class boundary of the class 23–35 ? Selected Answer:

Correct Answer:

35.5

35.5

•         Question 10

2 out of 2 points

What are the boundaries of the class 12-16? Selected Answer:

Correct Answer:

11.5 and 16.5

11.5 and 16.5

•         Question 11

2 out of 2 points

How many values are