Statistical Surveys: Bias in a Sample
Read this topicExplanations 4
- (Video) A Real World Example of Selection Bias by Dr. Michael Housman Dr. Michael Housman has a great, quick video on when there can be bias in a sample and explains it using on…
By Ben Ferrara, Alex Federspiel, Jonathan Heller, Amy Feraco
- Say NO to Bias In statistics and research, bias is a four-letter word. (I mean, obviously it's four letters no matter what, but in statistics, it's something that you should sta…
By Hannah Bonville, Alex Federspiel, Jonathan Heller, Caroline K
- Examples of Sample Bias To have bias in a sample means to not have a neutral viewpoint in regard to the sample. Bias is an inclination toward one way of thinking which may be ri…
By Paris, Alex Federspiel
- Definition of Biased Sampling A biased sample is a sampling method in which the method systematically favors some outcomes over others. In some cases, bias is intentional, such …
By Sarah Walker
Problems 27
- Your university radio station asks for callers to tell them who their favorite candidate is for the 2016 election. 70% of the callers say that Bernie Sanders is their favorite. …
- You want to see if baseball is gaining or losing popularity in the United States. You go to an amateur baseball game and ask people if they believe baseball is still as relevant…
- When you want to choose a sample of people for a survey to get the most unbiased results, how should you choose where you sample?
- You decide to take a survey sampling a group of people from a high school. Which question could be biased based on this sample?
- You decide to use systematic sampling at a Starbucks to see if anyone there enjoys coffee. Is there a bias in this sample?
- Errors in statistical measures that occur due to the sample selection are often the result of....
- Bias can occur in which of the following ways:
- The statistical bias of not representing the entire population in the sample is known as....
- The statistical bias of some participants being unwilling to respond is known as...
- Bias can be combatted by...
- Dawson wants to find out people's favorite sports. He asks his friends on the soccer team. Is this biased?
- You call people to ask their opinion about a product. Some people are in a rush so they hang up. Is this bias?
- I am asking a group of students in school if they play instruments. That day, the band is absent in order to perform out of town. Is the sample in this scenario biased?
- I randomly select students from my class to see who they are going to vote for, for our class president. Is this sample biased?
- Students fill out a form on whether or not they enjoyed their teacher's class. Is this sample biased?
- Is the following scenario bias? If so, what type of bias is occurring in the sample? \\ Danny would like to know what percentage of people in his school can run a mile in under …
- Is the following scenario bias? If so, what type of bias is occurring in the sample? \\ A radio station asks listeners to respond to a survey every day. Each day the survey is o…
- Which of the following is most likely to be impacted by self selection bias?
- Val is very passionate about being involved in her community. She is a member of her neighborhood watch committee and participates in a number of community service events. Since…
- Sarah is conducting a study on public transportation. Sarah lives in a big city where people use buses, trains, taxis, and planes to travel. Sarah decides to conduct her study a…
- Is this survey biased?
- If I go to the mall, and ask people if they like cats, is this a biased study?
- A professor seeks options of 666 students from a class of 808080 students about the textbook. The professor decides to choose the 666 students by either: 1. Have the students ra…
- The following question was posted on a human rights website. \\ “If you saw someone shoplifting, what would you do?” 1. Run away and ignore the problem2. Be a good witness and t…
- A cancer research center posted a survey on a university’s home page. \\ "Since smoking cigarettes have side effects such as cancer, increased risk of stroke, and brain damage, …
- A university posted a survey on the Everytown for Gun Safety Club website about gun control. The survey question asked “Do you believe there is a need for stricter gun control?”…
- During a soccer game, a college student went around and asked random groups of people: “What is your favorite sport?” \\ Is this sampling method biased?