AIM: Why is it important to randomize samples?
Announcements: The NYS Math Assessment will take place Tuesday, May 2 to Thursday, May 4.
HW: Random Samples Worksheet (found below)
Have you ever heard....
"4 out of 5" dentists recommend Crest toothpaste."
How do they get that statistic?
Do you think they ask every dentist in America?
The concept of sampling was introduced today. We often see statistics in the world around us, whether it be in a television advertisement, a news broadcast, or even an election--like the recent presidental elections. We discussed the importance of sampling, specifically random sampling, and how it is used to gather information we can trust and rely on. Random samples allow everyone in a population to have an equal opportunity of being selected. Bias samples do not allow for this opportunity. Biased samples and surveys tend to be misleading. We looked at different sampling plans (such as selecting every fourth person, mixing up and picking names from a hat, breaking populations into groups and randomly selecting from that group).