Lesson 10.2: Collecting Data: Bias, Sensitivity, and Method

The following questions were asked on a questionnaire to determine people’s spending habits at grocery stores.

Identify each survey question as biased/insensitive or unbiased/sensitive.


What is your households yearly income?


How many people are in your household?


How many people are under the age of 18 in your household?


Do you shop at discount stores or a high-end stores?


Do you buy groceries once a week, twice a week, or every day?


Do you buy fresh local produce?


Do you usually purchase cheaper brand-name items or more expensive brand-name items?


How much money do you spend on groceries each week?
ma008-1.jpg Less than $100
ma008-2.jpg Between $100 and $200
ma008-3.jpg More than $200


Does the lady of the household plan the meals?


Is anyone in your household a vegetarian?

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