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(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?

  • Grade level
  • 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

ANSWERS

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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