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 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 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 an attribute 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 ordinal interval ratio 4. Margaret is investigating if gender has any effect on political party associations. What is the response variable?