Qualitative or Quantitative
Hair color of the math teachers at SCSDB
Qualititative
The weight limit of an elevator in 400 pounds.
Discrete Variable
Colors of M&M candies
Nominal
Nursing supervisors are selected using random numbers in order to determine annual salaries.
Random Sampling
The number of people that prefer Pepsi over Coke
Quantitative
The number of phone calls received at a doctor's office after lunch
Continuous Variable
Cars described as compact, midsize, and full-size
Ordinal
Every seventh customer entering a shopping mall is asked to select his/her favorite store.
Systematic Sampling
The weight of your sister's car (in pounds)
Quantitative
The fluid ounces of soup held in a 2-pound storage container
Discrete Variable
Time it takes to sing the National Anthem
Ratio
In a population of 6,000,000 people, 10,000 are chosen and asked to complete a survey.
Cluster Sampling
The number of criminal indictments against OJ Simpson
Quantitative
The number of people waiting to ride a rollercoaster
Continuous Variable
Total annual income for statistics students
Ratio
In a large school district, all teachers from two buildings are interviewed to determine whether they believe the students have less homework to do now than in a previous year.
Cluster Sampling
The way you feel when you get pulled over for speeding.
Temperature in Fahrenheit
Continuous Variable
Interval
Mail carriers of a large city are divided into four groups according to gender and according to whether they walk or ride on their routes. Then, ten are selected from each group and interviewed to determine whether they have been bitten by a dog in the last year.
Stratified Sampling