Ch. 1 & 2 Re-Test

Last updated over 4 years ago
19 questions
4

We collect data from 50 female students.
Which variables are categorical?
Select all that are categorical.

4

The United States Census collects data on many variables about individuals and households.
Which variables are quantitative?
Select all that apply.

4

To determine if people’s preference in transportation to work has changed, a division of employees at a manufacturing company were surveyed about their job classification and their preferred method of transportation getting to work. The table below summarizes the responses.



What is the population for this study?
Select the one correct answer.

4

To determine if people’s preference in transportation to work has changed, a division of employees at a manufacturing company were surveyed about their job classification and their preferred method of transportation getting to work. The table below summarizes the responses.



What is the sample for this study?
Select the one correct answer.

4

To determine if people’s preference in transportation to work has changed, a division of employees at a manufacturing company were surveyed about their job classification and their preferred method of transportation getting to work. The table below summarizes the responses.



What are the variables being studied?
Select the correct answers, there are two.

4

To determine if people’s preference in transportation to work has changed, a division of employees at a manufacturing company were surveyed about their job classification and their preferred method of transportation getting to work. The table below summarizes the responses.



What percent of the employees being surveyed are management that prefer the train?
Enter your answer as a percent rounded to one place past the decimal point.

4

To determine if people’s preference in transportation to work has changed, a division of employees at a manufacturing company were surveyed about their job classification and their preferred method of transportation getting to work. The table below summarizes the responses.



What percent of the management that prefer the train?
Enter your answer as a percent rounded to one place past the decimal point.

4

To determine if people’s preference in transportation to work has changed, a division of employees at a manufacturing company were surveyed about their job classification and their preferred method of transportation getting to work. The table below summarizes the responses.



What percent of the employees that prefer the train are classified as management?
Enter your answer as a percent rounded to one place past the decimal point.

4

To determine if people’s preference in transportation to work has changed, a division of employees at a manufacturing company were surveyed about their job classification and their preferred method of transportation getting to work. The table below summarizes the responses.


Circle the marginal distribution of employee classification on the table below, use the scribble tool.

4

To determine if people’s preference in transportation to work has changed, a division of employees at a manufacturing company were surveyed about their job classification and their preferred method of transportation getting to work. The table below summarizes the responses.


Circle the marginal distribution of transportation on the table below, use the scribble tool.

4

To determine if people’s preference in transportation to work has changed, a division of employees at a manufacturing company were surveyed about their job classification and their preferred method of transportation getting to work. The table below summarizes the responses.


Calculate the marginal distribution of transportation.

Enter your answers using the format: Car: space 23.5% space Bus: space 23.5% space Train: space 23.5%

4

To determine if people’s preference in transportation to work has changed, a division of employees at a manufacturing company were surveyed about their job classification and their preferred method of transportation getting to work. The table below summarizes the responses.


Circle the conditional distribution of transportation for the employee classification Labor group.
Use the scribble tool on the table in the work space.

4

To determine if people’s preference in transportation to work has changed, a division of employees at a manufacturing company were surveyed about their job classification and their preferred method of transportation getting to work. The table below summarizes the responses.


Circle the conditional distribution of employee classification for those that ride the bus.
Use the scribble tool on the table in the work space.

4

To determine if people’s preference in transportation to work has changed, a division of employees at a manufacturing company were surveyed about their job classification and their preferred method of transportation getting to work. The table below summarizes the responses.


Calculate the conditional distribution of employee classification for those that ride the bus.

Use the format: Management:space 23.5% space Labor:space 23.5%

4

A survey was conducted of 1200 US adults, they were asked 'what is your political leaning: Republican, No Lean or Democrat?' and 'What is your phone status? Cell-only or Landline?'


Using the side by side segmented bar charts above, what are the 2 variables that are being compared (not the categories)?
Select both variables.

4


Using the side by side segmented bar charts above, are the two variables associated or independent?
Select one answer.

4


Using the side by side segmented bar charts above, if the two variables associated, what is a possible association?
Select one answer.

4

In a study on Year in School and Algebra II grade, the results are recorded in the table below.

Using the table, how many students were part of the sample for this study?

0

In a study on Year in School and Algebra II grade, the results are recorded in the table below.



What graphical displays WOULD NOT be helfpul when trying to determine if the variables of 'Year in School' and 'Algebra II Grade' are associated or independent?
Choose all that WOULD NOT be helfpul:
Note: the pictures do not reflect the data from this study, they serve as a visual example only o each display.