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(CORRECT ANSWER) MATH225N Week 1 Assignment : Variables and Measures of Data

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1.Question

A political researcher asks people if they Strongly Disagree, Disagree, Agree, or Strongly Agree with various policy decisions. What is the level of measurement of the data?

Select the correct answer below:

nominal

ordinal

interval

ratio

2.Question

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

Select the correct answer below:

nominal

ordinal

interval

Ratio

3.Question

What term best describes data that is an attribute whose value is indicated by a label?

discrete

quantitative

statistic

qualitative

4.Question

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

qualitative data

discrete quantitative data

continuous quantitative data

none of the above

 5.Question

Which of the following best describes the term explanatory variable?

Select the correct answer below:

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 though it is neither an independent nor a dependent variable

the independent variable in an experiment

6.Question

Angela is collecting data on the number of classes that students take. What type of data is this?

qualitative data

discrete quantitative data

continuous quantitative data

none of the above

7.Question

Jacqueline is investigating if age has any effect on the number of hours of sleep. Which of the following gives the explanatory and response variables respectively?

Select the correct answer below:

the number of people that are being studied and the number of hours of sleep

the number of hours of sleep and age

age and the number of hours of sleep

the number of people that are being studied and age

 8.Question

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

Select the correct answer below:

qualitative data

discrete quantitative data

continuous quantitative data

none of the above

9.Question

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

Select the correct answer below:

qualitative data

discrete quantitative data

continuous quantitative data

none of the above

10.Question

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

Select the correct answer below:

grade level

time spent studying

the number of people surveyed

none of the above

11.Question

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

Select the correct answer below:

nominal

ordinal

interval

ratio

12.Question

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

Select the correct answer below:

nominal

ordinal

interval

ratio

13.Question

Is the statement below true or false?

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

Select the correct answer below:

True

False

14.Question

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

Select the correct answer below:

qualitative data

discrete quantitative data

continuous quantitative data

none of the above

15.Question

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

Select the correct answer below:

number of siblings

grade point average

the number of people surveyed

none of the above

16.Question

Which of the following best describes the term response variable?

Select the correct answer below:

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

17.Question

True or False?

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

Select the correct answer below:

True

False

 

18.Question

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

Select the correct answer below:

political party associations

gender

the number of people that are being studied

none of the above

19.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?

Select the correct answer below:

nominal

ordinal

interval

ratio

20.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?

Select the correct answer below:

nominal

ordinal

interval

ratio

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