What word best describes this definition: a numerical value that is calculated from a sample. Mean or average from the sample, denoted x̄ (x-bar).

The math department of Anne Arundel County public schools sends out a survey to 300 randomly selected high school students. In the survey, they ask students to state how many hours they spend doing math homework in a typical week. The average amount of time was 42 minutes. Who is the SAMPLE?

The math department of Anne Arundel County public schools sends out a survey to 300 randomly selected high school students. In the survey, they ask students to state how many hours they spend doing math homework in a typical week. The average amount of time was 42 minutes. Who is the POPULATION?

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

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

Asking every fifth student in the sixth grade his

or her opinion on something.

Each student’s name is written on a slip of

paper and placed in a box. One slip is selected

for a prize

Bob asks 10 of his friends to determine what

percentage of students participate in sports.

Example 2: A survey of a city's residents is conducted by asking 20 people at a grocery store whether the city should impose a beverage tax.

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.

Example 8: Dr. Long wants to know student opinions regarding current cell phone policies. He randomly selects 100 students from each grade level and surveys those students regarding their opinion.

If you want to know how many pets the teachers at RHHS own you would likely use this study.

If you are studying the way wildfires spread you would most likely want to use this type of study.

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