MATH 255N WEEK 1 ASSIGNMENT, VARIABLES AND MEASURES OF DATA

MATH 255N WEEK 1 ASSIGNMENT, VARIABLES AND MEASURES OF DATA


1. 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

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

theindependent variable in an experiment



2. Which of the following best describes the term qualitative?


Select the correct answer below:


 a numerical characteristic of the sample


 the type of data that is the result of

measuring the type of data that is the result

of counting anattribute whose value is

indicated by a label

3. 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
 ordin
al
inter
va
lratio


4. Margaret is investigating if gender has any effect on political party associations. What is theresponse

, variable?


political party associations