3.1 - 3.2 Introduction to Data Collection

Surveyors in a mall randomly selected shoppers to ask about products they prefer. What would be the population in this example?

• the surveyors

• all shoppers in the mall

• the shoppers who were asked their preferences

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A researcher stood at a school parking lot entrance to see if the color of a car is related to the driver not wearing a seatbelt.

• Observational Study

• Experiment

Tags

CCSS.HSS.IC.B.3

Before a nation wide election, a polling place was trying to see who would win. Which choice best represents a sample?

• A selection of voters over age 50.

• A selection of male voters.

• A selection of voters of different ages.

• All of these.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A test is conducted to test how different cleats change an athletes running speed. Six different types of cleats are tested and the 100m run time is recorded.

• Experiment

• Observational Study

Tags

CCSS.HSS.IC.B.3

A restaurant chain wanted to find out how the customer experience was in a store. Which choice best represents a sample?

• 1 out of every 35 customers.

• All of the people who ate at the store.

• 240 customers who spent more than $10.

• 299 customers who filled out complaint cards.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A teacher asks her students to write down all they eat in a day and then calculate the total number of calories consumed.

• Experiment

• Observational Study

Tags

CCSS.HSS.IC.B.3

Determine whether it would be feasible to survey the population or a sample:

You want to know the number of students in Florida who have summer jobs.

• Survey the population

• Survey a sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The cafeteria manager of a high school wants to find out if high prices are keeping students from using the cafeteria. Fifty students are chosen at random to receive half-price lunch passes every day for a month. The manager then records the number of passes used.

• Experiment

• Observational Study

Tags

CCSS.HSS.IC.B.3

Determine whether it would be feasible to survey the population or a sample:

You want to know the average height of Suncoast Teachers.

• Survey the population

• Survey a sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Give some voters touchscreen machines and some voters paper ballots. Compare voter satisfaction levels for the two groups.

• Experiment

• Observational Study

Tags

CCSS.HSS.IC.B.3