Descriptive VS Inferential
The average age of the students in a statistics class in 21 years.
What is Inferential Statistics
Hair color of women on a high school tennis team
What is Nominal Level of Measurement
The number of people in a room
What is a discrete variable
Every fifth person boarding a plane is searched thoroughly.
What is a Systematic Sample
In a study, a group of mice are given an injection of a drug proposed to shrink lung tumors. After one month, the tumors are measured.
What is an Experimental Study
The colors of automobiles on a used car lot
What is Qualitative
The chances of winning the California Lottery are one chance in twenty-two million
What is Descriptive Statistics
Temperatures of 22 selected Refridgerators
What is Interval Level of Measurement
The time taken to complete a puzzle
What is a Continuous variable
A researcher randomly selects and interviews 50 male and 50 female teachers.
What is a Random Sample
In a Study, a group of mice are put into a maze with multiple paths and options. The time it takes each mouse to complete the maze and the path taken are recorded.
What is an Observational Study
The numbers on the shirts of a girl's soccer team
What is Quantitative
From past figures, it is predicted that 39% of the registered voters in California will vote in the June primary
What is Inferential Statistics
The ratings of a movie ranging from "poor" to "good" to "excellent"
What is Ordinal Level of Measurement
The size of a shoe
What is a discrete variable
A researcher for an airline interviews all of the passengers on five randomly selected flights
What is a Cluster Sample
A researcher asks college students how many hours of sleep they get on an average night and examines whether the number of hours of sleep affects students' grades
What is an Observational Study
The number of seats in a movie theater
What is Quantitative
There is a relationship between smoking cigarettes and getting emphysema
What is Descriptive Statistics
The annual salaries for all teachers in Utah
What is Ratio Level of Measurement
The weight of football players on a team
Bonus:
Boundary of a number (124.3lbs)
What is a continuous variable
Bonus:
124.25lbs to 124.35lbs
At a local community College, five math classes are randomly selected out of 20 and all of the students from each class are interviewed.
What is a Cluster Sample
An employee of the Parks Department wants to know if paint that includes latex is more durable than paint without latex. She has 50 park benches painted with a paint that includes latex and has 50 park benches painted with paint that does not include latex.
A list of house numbers on your street
What is Qualitative