Question
Which of the following elements results in the least amount of bias?(1 point)
Responses
Option #1: Leading questions
Option #1: Leading questions
Option #2: large sample size
Option #2: large sample size
Option #3: voluntary response sampling
Option #2: large sample size
A well-known supermarket in the U.S. wants to determine what percent of storegoers are vegetarian. They randomly survey 5 people every hour at one of their grocery stores for a day. What type of bias exists in this survey?(1 point)
Responses
Option #1: Volunteer Response Bias
Option #1: Volunteer Response Bias
Option #2: Selection Bias
Option #2: Selection Bias
Option #3: Question Bias
Option #2: Selection Bias
A well-known supermarket in the U.S. wants to determine what percent of storegoers are vegetarian. They randomly survey 5 people every hour at one of their grocery stores for a day.
This sample size is appropriate for the results to be generalized for all of the supermarket’s U.S. stores.
(1 point)
Responses
True
True
False
False
A company wants to determine what brand of coffee people like best. Which of the following surveys is an example of question bias?(1 point)
Responses
Option #1: Shoppers at a local coffee shop are asked which brand they prefer
Option #1: Shoppers at a local coffee shop are asked which brand they prefer
Option #2: A random selection of people across multiple stores are asked if they have tried the newest Caribou coffee blend, and then asked what coffee they prefer.
Option #2: A random selection of people across multiple stores are asked if they have tried the newest Caribou coffee blend, and then asked what coffee they prefer.
Option #3: The question “Which brand of coffee do you like best” was sent out on surveys to a variety of randomly selected households.
Option #3: The question “Which brand of coffee do you like best” was sent out on surveys to a variety of randomly selected households.
MNCA wants to create a survey for its students totaling 4,650, to study their satisfaction levels with the Connexus System. At least how many students must be surveyed in order to make the results generalizable to the whole student population?(1 point)
Responses
250
250
4000
4000
465
465
50