What kind of variable is hair color?
qualitative/categorical
You get a random sample of 50 teenagers who watch basketball and ask them a series of survey questions. What is your population?
Teenagers who watch basketball
You work in a store and ask every 8th person that enters a survey question
Systematic
Name this TV show
Pretty Little Liars
What current NFL player has this career path?
Falcons -> Jaguars -> Titans
Calvin Ridley
What kind of variable is height? (Looking for two words)
Quantitative and continuous
Name two reasons why it is useful to take a sample
Too expensive, time consuming, difficult, complicated to get info from the whole population
You want to know about the athletes at Berks Catholic and decide to include 7 players from each team in your sample
Stratified
Name the song or artist for this 2018 song
BlocBoy JB, Drake - Look Alive
What former NBA player had this career?
Duke -> Magic -> Bucks -> Clippers -> Sixers (2017-19) -> Mavericks -> Pelicans -> currently an analyst
JJ Redick
You want to do a study on how the amount of homework assigned affects the grades the student gets. These are the GPAs (prior to the study) of the students assigned to the group that does not receive homework: 4.1, 3.9, 3.8
What is the independent variable?
Amount of homework assigned
You want to know about the athletes at Berks Catholic and randomly select the volleyball team and tennis team to survey everyone on the team
Cluster
Name the song or artist for this 2024 song
Charli xcx - 360
Which of these NBA franchises has never won a championship?
Washington, Phoenix, Detroit, Philadelphia
Phoenix Suns
You want to do a study on how the amount of homework assigned affects the grades the student gets. These are the GPAs (prior to the study) of the students assigned to the group that does not receive homework: 4.1, 3.9, 3.8
What is a potential confounding variable?
The student's intelligence/prior grades
You want to know about the athletes at Berks Catholic and draw names out of a hat until you have 50 people in your sample
Simple random sample
Name this 2024 movie
Longlegs
This WNBA player for the Las Vegas Aces has won multiple MVPs and is on pace to win her 3rd MVP this season
A'ja Wilson