Biased Samples
What does it mean to have a Biased Survey?
The sample is not fair.
What does it mean to have an Unbiased survey?
The survey is fair.
If surveying 100 students how many students will choose math as their favorite subject?
What is the minimum for the data set
2,4,6,13,7,3,9
2
Which type of sample gives people the option to respond.(They choose to respond to the survey)
Voluntary Response
Which type of sampling method uses a system to obtain data?
systematic sampling method
If surveying 100 students how many students will choose language arts as their favorite subject?
What is the maximum for the data set
2,4,6,13,7,3,9
13
Which type of sample is the easiest for the researcher. (They don't have to do much work to collect the data)
Convenience sample
Which type of sampling method gives everyone the same chances of being selected?
Simple Random Sampling
If surveying 100 students how many students will choose science as their favorite subject?
What is the median for the data set
2,4,6,13,7,3,9
6
To determine whether the students will attend an music festival at the school, Oliver surveys his friends in the music club. All of Oliver's friends plan to attend, so Oliver assumes that all the students at his school will also attend. Which type of sampling method is Oliver using?
Convenience Sample
To determine if my students like Math, I surveyed every 3rd student that walked into my classroom. This is an example of a
systematic sample
If surveying 100 students how many students will choose social studies as their favorite subject?
What is the Range for the data set?
2,4,6,13,7,3,9
11
Students who wish to represent the school at a school board meeting are asked to stop by the office after lunch. Which type of sampling method is being used?
Voluntary Response
Ms. Nguyen uses her jar of popsicle sticks to randomly call of her students to answer a question. What type of sampling method is being used?
Simple Random Sample
If surveying 100 students how many students will choose other as their favorite subject?
What is the IQR for the data set?
2,4,6,13,7,3,9
6