Statistics Population vs Sample

The seniors at Kennedy High School are going to vote where the senior trip should be. The Teachers need 100 votes before they can make a final decision. Identify the population.

• Seniors at Kennedy High School

• Teachers at Kennedy High School

• 100 senior voters

The town counsel wants to poll the businesses in town on their store hours. They sent out 200 letters to all the businesses in town, and 73 businesses returned the letter. Identify the Population and the Sample.

• Town Counsel

• Businesses in town

• Letters sent out

• 73 returned letters

_______ is the entire group of objects or individuals considered for a survey.

• Sample

• Population

• Random Sample

• Quartile

Population or Sample? A quality control engineer is curious about the thickness of paint on a car at her factory. She randomly selects 30 points on the car and measures the paint thickness at each of those points.

• Population

• Sample

What is the entire group of individuals or instances studied called?

• sample

• population

• class

• experiment

A survey is carried out at Penn State Altoona to estimate the proportion of all undergraduate students living at home during the current term. Of the 3,838 undergraduate students enrolled at the campus, a random sample of 100 was surveyed. What is the population of the study?

• All the 3,838 undergraduate students enrolled at the campus

• The 100 who were surveyed

• All the students in universities across America

• All students living at home in the current term.

Identify the population:

A survey of 500 adults in the U.S. found that 54% drink coffee daily.

• A. Collection of the 500 adults surveyed

• B. Collection of all adults in the U.S.

• C. 54%

• D. 500

Identify the sample:

A survey of 500 adults in the U.S. found that 54% drink coffee daily.

• A. Collection of the 500 adults surveyed

• B. Collection of all adults in the U.S.

• C. 54%

• D. 500

Is this a statistical question?

"How many pairs of tennis shoes do the students in our school have?"

• Yes, this is a statistical question

• No, this is not a statistical question

The average annual salary for 35 of a company's 1200 accountants is $68,000.

• parameter

• statistic