Survey Bias

Marketing is smooth if the proper research is done in advance. Teams conduct a survey to determine an audience's preference for smoothie before developing an ingredient list and nutrition information for their smoothies. Finally, they...

In this bias worksheet, 7th graders understand the true nature of a biased survey or sampling. Students read 2 passages of examples of a biased and an unbiased sample group and respond to 5 short answer questions about what they have read.

Emerging statisticians develop the ability to make inferences from sample data while also working on proportional relationships in general. Here, young learners examine samples for bias, and then use random samples to make inferences...

You may have many ideas, but asking the public what they want is probably the best approach. Learners act as the student council president and conduct a survey to determine the needs of the school. They then analyze the data using...

Experimental design can be both incredibly intuitive and very high-concept when first introduced to learners. This video does a great job of discussing sampling methods and bias simply, without over-reducing the complexity. Multiple...

Looking for an estimation activity a bit more involved than the typical "guess the number of jellybeans in the jar" game? Here, learners use a picture to estimate the number of people at a large event, look for potential problems with...

Students discuss the meaning and purposes of polls and surveys. After reading an article, they analyze the results of a poll given to residents of New York City. They create a survey of their own and analyze the data to write a written...

Students collect survey data on the prevalence of asthma in a community. They summarize and display the survey data in ways that show meaning.

There is bias in many aspects of our lives, and math is no exception! Learners explore provided data to understand the meaning of biased and random samples. The resource includes various data sets from the same population, and...

Transmit to your class what an unbiased sample is with this video. The video goes into detail about what an unbiased sample looks like, providing examples and listing several different types of random sampling. This could be used when...