Sample and Population

Identify the Population: Cherokee County Schools randomly selected 230 teachers to find out which technology resource its teachers feel is the most effective. What is the population in this situation?

• 230 Teachers

• All Cherokee County teachers

• All Cedar Bluff teachers

• All Sand Rock and Spring Garden students

The Magic Kingdom theme park has many attractions, one of which is Space Mountain. Are the people who ride Space Mountain the population or a sample of the theme park? Explain.

• Population. They are all the people at the theme park.

• Sample. They are a subset of all the people at the theme park.

• Both population and sample. They are all the people at the theme park

• Neither population nor sample. They are not the people at the theme park.

During a middle school baseball ​game, every spectator placed his or her ticket stub into a container. After the​ game, the coach chose eight people to march in the sportsmanship parade. What is the sample in this​ situation?

• The coach

• The ticket stubs

• The eight people to march in the sportsmanship parade

• The baseball game spectators

Identify the population and sample in the following survey: A telephone survey is given to 2,000 randomly selected families in order to predict the average amount of money American families spend on groceries each week. Which is the SAMPLE (the part)

• AMERICA

• 2000 FAMILIES

Identify the population and sample in the following survey: To determine the number of students who carry backpacks in school, Tina collects data on the first 100 students who enter the building. Which is the POPULATION

• students

• first 100 students

Identify the Sample: The Huddle House wants to know if their customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The manager at Huddle House concluded that most customers do not order dessert. What is the SAMPLE in this scenario?

• 20 customers from Huddle House

• All customers from Huddle House that evening

• 8 customers from Huddle House

• The employees from Huddle House

A survey company was trying to see if people in a state thought the pollution was too high. Which choice BEST represents the population to be surveyed?

• a selection of people who live in small towns

• a selection of people who live in clean neighborhoods

• a selection of people from each city in the state

• all the people in the state

The owners of a waterpark are taking a survey to determine how many trips to the park kids in the area take during the summer. They take a survey of kids entering the park on a Monday. Is this a good sampling method?

• No, they should have surveyed kids at the local high school.

• No, many area kids may not come to the water park, they need a random sample of area kids.

• Yes, because those kids who come on Monday more than likely come on other days, too

• No, they should have surveyed kids on Friday and Saturday when more people come to the park.

Which choice BEST represents a sample?

• A selection of girls in the school.

• A selection of 80 students in the school.

• All the students in the school.

• All the students in 7th grade.

Leslie surveyed the 9 youngest students in the elementary school.  Is this sample of the students in the school likely to be representative of all the students in the school?

• yes

• no