Unit 5, Quiz #1

State your first and last names.

In a recent study, it was discovered that the average salary of all teachers in a school is $39,000. What description below best describes the situation?

• Population Parameter
• Sample Statistic
• Population Statistic
• Sample Parameter

A study about the age of the students is being conducted on the graduates from Georgia Southern this year. There are over 1000 graduates, but the researcher collects data only from the first 100 and last 100 graduates to receive their diplomas. What description below best describes the situation?

• Population Parameter
• Sample Statistic
• Population Statistic
• Sample Parameter

A quality study is being conducted on every 15th truck made at a manufacturing plant. What description below best describes the situation?

• Population Parameter
• Sample Statistic
• Population Statistic
• Sample Parameter

Which of the following scenarios is most likely to be a random sample?

• Joe creates a computer-generated list to randomly choose students to whom he will send an email.
• Every 10th patron at a bowling alley is surveyed
• Every person in Pembroke is surveyed
• Five classes at BCHS are selected and each person in those classes is surveyed.

A game warden is stopping every 8th truck to check for hunting licenses. What type of sampling method is the game warden using?

• Simple Random Sampling
• Stratified Sampling
• Systematic Sampling
• Convenience Sampling

In order to meet a deadline, an administrator wants to know what the teachers at BCHS think about next year's school calendar. Because of the rush, the administrator decides to ask the teachers sitting in the workroom what they think to provide a sample of the school's opinion. What type of sampling method is being employed in the following example?

• Simple Random Sampling
• Stratified Sampling
• Cluster Sampling
• Sampling of Convenience

The principal wants to gauge the student's interest in adding a new sports team to the school. He randomly selects 5 teachers from the school, then has them survey the students in their individual classrooms. Which type of sampling method is being employed in this example?

• Simple Random Sampling
• Stratified Sampling
• Cluster Sampling
• Sampling of Convenience

What are the pros and cons of simple random sampling?