Quick Quiz 6.2 (CFA)

First Name

Last Name

Class Period

• 1st Period
• 2nd Period
• 3rd Period
• 4th Period
• 5th Period

1. The school board wants to know if families in the school district believe funding for athletic teams should be increased or decreased.  In order to investigate this, they decide to sample the first 50 people that arrive at the baseball stadium for the upcoming game. Is this sample a random sample?

• Yes
• No

2. Why or why not?

3. Will this lead to biased or unbiased results?

• Biased
• Unbiased

4. Randomly select one employee classification and test all the people who work in that classification - supervisors, full-time clerks, part-time clerks, or maintenance staff.

• Simple Random Sample
• Stratified Random Sample
• Cluster Sample
• Systematic Random

5. Choose a random number between 1 and 4, and then test every fourth person that arrives to work for each shift.

• Simple Random Sample
• Stratified Random Sample
• Cluster Sample
• Systematic Random

6. There are four employee classifications: supervisors, full-time clerks, part-time clerks, and maintenance staff. Randomly select ten people from each category.

• Simple Random Sample
• Stratified Random Sample
• Cluster Sample
• Systematic Random

7. Each employee has a three-digit identification number. Randomly choose 40 numbers, and test the employees with the chosen numbers.

• Simple Random Sample
• Stratified Random Sample
• Cluster Sample
• Systematic Random