Population and Sample

Distinguish biased vs. unbiased samples! Master survey techniques for accurate data. Essential for understanding statistics.

Biased and Unbiased Sampling Video Watch the video above. Type your response to his question below. Which survey is biased? Unbiased? Why? You want to estimate how many teens in Nebraska get an allowance. Who should you survey? 200 random Nebraska teens every teen at your school every teen in Nebraska You want to know what students at your school would most like to attend: a professional football, basketball, or baseball game. Which sample should you choose for your survey? 5 of your friends the basketball team 25 random students You want to estimate the number of students in your school who want a new football stadium to be built for Millard South High School. You survey the first 20 students who attend a Friday night football game. Is this sample biased or unbiased. biased unbiased You want to know the number of students in your school who play a sport. You randomly survey every 7th student who comes through the lunch line. biased unbiased