# (Answered) MATH225 – Week 1: Variables and Measures of Data

Question 1

Which of the following best describes the term explanatory variable?

• The dependent variable in an experiment.
• A value or component of the independent variable applied in an experiment.
• A variable that has an effect on a study even through it is neither an independent nor a dependent variable.
• The independent variable in an experiment.

Question 2

To determine whether or not grade level influences time spent studying, Samuel has designed a survey. What is the response variable?

• Time spent studying
• The number of people surveyed
• None of the above.

Question 3

A new mother keeps track of the time when her baby wakes up each morning. What is the level of measurement of the data?

• Nominal
• Ordinal
• Interval
• Ratio

Question 4

Virginia is collecting data on shirt color. What type of data is this?

• Qualitative
• Discrete quantitative data
• Continuous quantitative data
• None of the above.

Question 5

At a comic convention, a researcher asks attendees what their favorite comic book is. What is the level of measurement of the data?

• Nominal
• Ordinal
• Interval
• Ratio

Question 6

Patrick is collecting data on shoe size. What type of data is this?

• Qualitative data
• Discrete quantitative data
• Continuous quantitative data
• None of the above.

Question 7

Given that Justin is collecting data on reaction time, what type of data is Justin working with?

• Qualitative data
• Discrete quantitative data
• Continuous quantitative data
• None of the above

Question 8

Use the drop Down menu to complete the statement.

_____________ data is the type of ____________ data that is the result of measuring.

Question 9

Use the drop down menu to complete the statement.

The _____________ is a value or component of the independent variable applied in an experiment.

Question 10.

Margaret is investigating if gender has any effect on political party associations. What is the response variable?

• Political party associations
• Gender
• The number of people that are being studied.
• None of the above.

Question 11

A track runner keeps track of how long it takes her to run the 200-meter dash. What is the level of measurement of the data?

• Nominal
• Ordinal
• Interval
• Ratio

Question 12

A zoologist measures the birthweight of each cub in a litter of lions. What is the level of measurement of the data?

• Nominal
• Ordinal
• Interval
• Ratio

Question 1

Which of the following best describes the term explanatory variable?

• The dependent variable in an experiment.
• A value or component of the independent variable applied in an experiment.
• A variable that has an effect on a study even through it is neither an independent nor a dependent variable.
• The independent variable in an experiment.

Question 2

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