Friday 12/2 Classwork

What word best describes this definition: the group of individuals that we’d like to know about.

• Population

• Sample

• Parameter

• Statistic

What word best describes this definition: the subset of the population that is actually studied.

• Population

• Sample

• Parameter

• Statistic

A University polled 500 of its students. They split them into degree programs and randomly selected 50 students from each degree program offered at the college. Classify the sampling method

• Simple Random

• Systematic

• Stratified

• Voluntary

To do market research, a telemarketing firm randomly selected 1000 names from a store's database and contacted them. Classify the sampling method.

• simple random

• systematic

• voluntary response

• convenience

Asking every fifth student in the sixth grade his

or her opinion on something.

• simple sample

• systematic sample

• voluntary sample

• convenience sample

Each student’s name is written on a slip of

paper and placed in a box. One slip is selected

for a prize

• simple sample

• systematic sample

• voluntary sample

• convenience sample

Bob asks 10 of his friends to determine what

percentage of students participate in sports.

• simple sample

• systematic sample

• voluntary sample

• convenience sample

Example 7: Mr. Nicholson wants to know student opinions regarding current cell phone policies. He randomly selects six classrooms and asks all students in those classes their opinion.

• Systematic

• Convenience

• Simple Random (SRS)

• Stratified Random

• Cluster Random

If you need data on how many hours American teenagers spend on TikTok per day you would most likely use this type of study.

• experimental

• census

• sampling

• observational

The forecast shows a 70% chance of rain. How likely is it to rain?

• Impossible

• Unlikely

• Likely

• Certain