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1. Alice collected data from every person in her neighborhood to determine the average age of people living in her neighborhood. This is an example of a…

• Simple Random Sample (SRS)

• 1. Census

• Cluster Random Sample

• Stratified Random Sample

Bob is a hotel manager. He wants to know how his guests would rate their experience. He takes a random sample of 10 people on each 5 floors. This is an example of…

• 1. Simple Random Sample (SRS)

• Systematic Random Sample

• 1. Cluster Random Sample

• 1. Stratified Random Sample

Sally owns a restaurant and wants to know her most popular item on the menu. When the store opens at 9 am she writes down what the first customer orders and every twenty customers after them until the store closes that day. This is an example of…

• Simple Random Sample (SRS)

• 1. Stratified Random Sample

• Cluster Random Sample

• Systematic Random Sample

Nate wants to conduct an experiment to see why his goldfish keep dying. In each group he has ten fish. In group 1 he has a control group where he feeds them as normal. In the group he feeds them less than normal and in group three more than normal. He measures for the fish to die to see which tank had the largest mean survival. Which is NOT a confounding variable?

• 1. The amount of food

• 1. The pH of the tank

• The age of the fish at the beginning of the experiment

• 1. Where the tank is placed

A teacher asks each person in her class how likely they are to cheat in her class. This is best an example of…

• 1. Undercoverage Bias

• 1. Non Response Bias

• 1. Self Reported Response Bias

• 1. Voluntary Response Bias

John owns a restaurant and looks online at the reviews people have given who have eaten at the restaurant to see the statistics of how many people like his food. This is best an example of…

• Undercoverage Bias

• 1. Non Response Bias

• 1. Self Reported Response Bias

• 1. Voluntary Response Bias

 Lyla asks everyone in her homeroom who they support for class president to see who will likely win. This is best an example of…

• Question Wording Bias

• 1. Undercoverage Bias

• 1. Non Response Bias

• 1. Self Reported Response Bias

Kate randomly selected a group of people in her state and asked “Do you support all the amazing things such as helping the poor that the senator did?” This is best an example of…

• 1. Question Wording Bias

• Undercoverage Bias

• 1. Non Response Bias

• 1. Self Reported Response Bias

Bill wants to know the average household income of his city to the nearest thousand. He makes a list of random residences he plans to ask and goes there early Monday morning and asks their annual household income. This is BEST an example of…

• 1. Question Wording Bias

• 1. Undercoverage Bias

• Non Response Bias

• 1. Self Reported Response Bias