MBF 3CI 3-2 Collect and Analyze Data
A. The following questions were asked, which one could produce bias? Explain.
1. What is your favourite subject?
2. Select your favourite subject:
· Math / · Tech Studies· Science / · History
· Languages / · Other______
B. What is wrong with the following question? Why will it create bias?
Select your favourite soda:
· Coke / · 7-up· Pepsi / · ROOT BEER
· Orange / · Dr Pepper
· Sprite / · Fresca
C. Why are the results biased?
To determine the favourite brand of fabric softener a survey was placed in grocery bags at Zehrs. The customers were asked to mail their responses back to the consumer group collecting the data.
D. Which graph is biased? Why?
E. Discuss the BIAS
1. Residents of a community are asked this survey question: Building a garbage incineration power plant in the neighbourhood will increase jobs and encourage government funding of other programs beneficial to our community. Would you be in favour of this much needed venture?
2. A group of professional football players are asked if they have ever taken banned performance enhancing substances.
3. The members of an elite golf club are asked if they will approve the construction of a subsidized housing complex on the land adjacent to their golf course.
A. The following questions were asked, which one could produce bias? Explain.
1. What is your favourite subject?
2. Select your favourite subject:
· Math / · Tech Studies· Science / · History
· Languages / · Other______
B. What is wrong with the following question? Why will it create bias?
Select your favourite soda:
· Coke / · 7-up· Pepsi / · ROOT BEER
· Orange / · Dr Pepper
· Sprite / · Fresca
C. Why are the results biased?
To determine the favourite brand of fabric softener a survey was placed in grocery bags at Zehrs. The customers were asked to mail their responses back to the consumer group collecting the data.
D. Which graph is biased? Why?
E. Discuss the BIAS
1. Residents of a community are asked this survey question: Building a garbage incineration power plant in the neighbourhood will increase jobs and encourage government funding of other programs beneficial to our community. Would you be in favour of this much needed venture?
2. A group of professional football players are asked if they have ever taken banned performance enhancing substances.
3. The members of an elite golf club are asked if they will approve the construction of a subsidized housing complex on the land adjacent to their golf course.