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# Math 225 Week 1 assignment: Variables and Measures of Data

## Math 225 Week 1 assignment: Variables and Measures of Data

Week 1 assignment: Variables and Measures of Data

Question

Given that Angelina is collecting data on commute distance, what type of data is she working with?

qualitative data

discrete quantitative data

continuous quantitative data

none of the above

Question

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

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

A biologist samples and measures the length of the fish in a lake. What is the level of measurement of the data?

nominal

ordinal

interval

ratio

Question

A market researcher finds the price of several brands of fabric softener. What is the level of measurement of the data?

nominal

ordinal

interval

ratio

Question

Is the statement below true or false?

Continuous data is the type of quantitative data that is the result of counting.

True

False

Question

Jason is collecting data on the number of books students read each year. What type of data is this?

qualitative data

discrete quantitative data

continuous quantitative data

none of the above

Question

To determine whether or not number of siblings influences grade point average, Charles has designed a survey. What is the explanatory variable?

number of siblings

the number of people surveyed

none of the above

Question

Which of the following best describes the term response variable?

the independent variable in an experiment

a variable that has an effect on a study even though it is neither an independent nor a dependent variable

the dependent variable in an experiment

a value or component of the independent variable applied in an experiment

Question

True or False?

An explanatory variable is a value or component of the independent variable applied in an experiment (This is a treatment)

True

False

Question

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

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

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?