Section 12-5 CC Examples
Determine if the data set is QUALITATIVE or QUANTITATIVE.
1) Favorite Movies
2) The number of students in different schools who take Spanish
3) Football Jersey Numbers
4) Prices of TV’s
Determine if the data set is UNIVARIATE or BIVARIATE.
1) The atomic weights of the elements in the periodic table
2) The edge lengths and volumes of cubes
3) The number of DVD’s your classmates own
4) The ages and heights of your friends
Determine whether the sampling method is RANDOM, SYSTEMATIC, or STRATIFIED. Will the method produce a GOOD sample?
1) A pollster randomly selects 100 people from each town in a certain candidate’s district to see if they support the candidate.
2) A factory tests the quality of every 30th shirt made.
3) A printing company randomly selects 10 of 450 books it printed to see if all the books were printed properly.
Determine whether each question is biased?
1) Since global warming is a big problem, do you support government funding of studies on global warming?
2) Where do you most like to go on vacation?
3) Do you prefer shopping online or the excitement of going to stores with friends?