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WorksheetsIntroduction to Statistics
Total questions: 37
Worksheet time: 19mins
By 2040 at least 3.5 billion people will run short of water (World Future Society).
Inferential
Descriptive
Nine out of ten on-the-job fatalities are men (USA TODAY Weekend).
Inferential
Descriptive
Expenditures for the cable industry were $ 5.66 billion in 1996 (USA TODAY).
Inferential
Descriptive
The median household income for people aged 25-34 is $ 35,888 (USA TODAY).
Inferential
Descriptive
Allergy therapy makes bees go away (Prevention).
Inferential
Descriptive
Drinking decaffeinated coffee can raise cholesterol levels by 7% (American Heart Association).
Inferential
Descriptive
The national average annual medicine expenditure per person is $1052 (The Greensburg Tribune Review).
Inferential
Descriptive
Experts say that mortgage rates may soon hit bottom (USA TODAY).
Inferential
Descriptive
Marital status of nurses in a hospital.
Qualitative
Quantitative
Time it takes to run a marathon.
Qualitative
Quantitative
Weights of lobsters in a tank in a restaurant.
Qualitative
Quantitative
Colors of automobiles in a shopping center parking lot.
Qualitative
Quantitative
Ounces of ice cream in a large milkshake.
Qualitative
Quantitative
Capacity of the NFL football stadiums.
Qualitative
Quantitative
Ages of people living in a personal care home.
Qualitative
Quantitative
Number of pizzas sold by Pizza Express each day.
Discrete
Continuous
Relative humidity levels in operating rooms at local hospitals.
Discrete
Continuous
Number of bananas in a bunch at several local supermarkets.
Discrete
Continuous
Lifetimes (in hours) of 15 iPod batteries.
Discrete
Continuous
Weights of the backpacks of first graders on a school bus.
Discrete
Continuous
Number of students each day who make appointments with a math tutor at a local college.
Discrete
Continuous
Blood pressure of runners in a marathon.
Discrete
Continuous
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 previous years.
Random
Systematic
Stratified
Cluster
Every seventh customer entering a shopping mall is asked to select her or his favorite store.
Random
Systematic
Stratified
Cluster
Nursing supervisors are selected using random numbers to determine annual salaries.
Random
Systematic
Stratified
Cluster
Every 1000th hamburger manufactured is checked to determine its fat content.
Random
Systematic
Stratified
Cluster
Mail carriers of a large city are divided into four groups according to gender (male or female) and according to whether they walk or ride on their routes. Then 10 are selected from each group and interviewed to determine whether they have been bitten by a dog in the last year.
Random
Systematic
Stratified
Cluster
Pages in the 25 best-selling mystery novels.
nominal-level measurement
ordinal-level measurement
interval-level measurement
ratio-level measurement
Rankings of golfers in a tournament.
nominal-level measurement
ordinal-level measurement
interval-level measurement
ratio-level measurement
Temperatures inside 10 pizza ovens.
nominal-level measurement
ordinal-level measurement
interval-level measurement
ratio-level measurement
Weights of selected cell phones.
nominal-level measurement
ordinal-level measurement
interval-level measurement
ratio-level measurement
Salaries of the coaches in the NFL.
nominal-level measurement
ordinal-level measurement
interval-level measurement
ratio-level measurement
Times required to complete a chess game.
nominal-level measurement
ordinal-level measurement
interval-level measurement
ratio-level measurement
Ratings of textbooks (poor, fair, good, excellent).
nominal-level measurement
ordinal-level measurement
interval-level measurement
ratio-level measurement
Number of amps delivered by battery chargers.
nominal-level measurement
ordinal-level measurement
interval-level measurement
ratio-level measurement
Ages of children in a day care center.
nominal-level measurement
ordinal-level measurement
interval-level measurement
ratio-level measurement
Categories of magazines in a physician’s office (sports, women’s, health, men’s, news).
nominal-level measurement
ordinal-level measurement
interval-level measurement
ratio-level measurement
