General Survey
Types of Samples
BIAS at MISC
100

1a. What is the population in this scenerio?

All Wisconsinites 

100

3a. Which type of sample will give the MOST ACCURATE results?

Census

100

5b. What is your opinion on the school's dress code, attendance, grading, and lunch program policies? List 3 things you like and dislike about each.

Too many questions in one. You could rewrite each option as a new question. 
200

1c. If there are 5,800,000 people in Wisconsin, approx. how many of them prefer Usinger's based on this sample?

3,944,000 people in Wisconsin

200

4c. Dr. Jensen grabs 20 random kids as they walk into school and asks them to answer a few questions regarding detention policies. 

Convenience or Random Sample 

200

5a. How ridiculous is it that we must wear these stupid masks all day?

Very aggressive question that assumes all people think masks are ridiculous. Make the question neutral.

300

2c. If 45/50 staff members were very satisfied and there are 60,000 teachers in Wisconsin, about how many teachers in Wisconsin could be assumed to be very satisfied? 

54,000 teachers in Wisconsin

300

4b. Dr. J asks one freshman, sophomore, junior, and senior advisory classroom to recommend new dress up days for spirit week.

Stratified random

300

5c. How would you rate our new burger? Circle one: Satisfactory or Unsatisfactory. 

The question is very vague, and the answer options are very vague as well. 

400

2a. What type of survey is this?

Census 

400

4e. Dr. J asks every 4th person to enter the lunchroom their opinion on French fries

Systematic 

400

4a. Dr. J asks 3 senior advisory classrooms to make suggestions for new lunch menu items.

convenience or cluster 

500

1b. What percentage of Wisconsinites prefer Usinger's over Johnsonville?

68%

500

4d. Dr. J has the computer randomly generate a list of 50 students who all receive a survey about the school's tardy policy

random

500

2b. Could the results of this survey be realistically used to draw conclusions about the job satisfaction of all high school staff in the state of Wisconsin? Why or why not? 

No. First, there are only 50 people who are surveyed out of the 1000s of teachers in Wisconsin. Second, Martin Luther was the only school who was surveyed.