Sample and Population

The entire group studied.

• sample
• population

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The part of the population being studied

• population
• sample
• random

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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

• 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 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 from each neighborhood in the state.

• A selection of people who live in small towns.

• Every person in the state.

• A selection of people who live in dirty neighborhoods.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A toy store owner is tracking how much kids spend each month on toys. Which choice BEST represents a sample?

• All of the kids who buy toys.

• 275 rich kids

• 200 random kids of all ages

• 292 boys ages 7-15

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Maria collects data from a random sample of 7th graders in her school and finds that 16 out of 20 7th graders participate in after-school activities. How many students should Maria expect to participate in after-school activities if 240 total 7th graders attend Maria's school? Write the numerical answer only.

Tags

CCSS.7.RP.A.3

You select 25 jellybeans out of a bag of 200 jellybeans. Four of those 25 jellybeans were purple. Using this information, you can expect ______ purple jellybeans in the bag of 200.

Tags

CCSS.7.SP.A.2

Identify the following data set:

....a manager of a movie theater was asking customers at the concession stand how they would rate the theater’s staff

• Population

• Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Identify the following data set:

.... a survey from Marlboro Public Schools asked ALL of the teachers : What are your favorite classes to teach?

• Population

• Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Let's say Marlboro has 2,000 students. After asking all of the students if they participated in sports, 1025 students said that they do participate in sports. What % of the students at Marlboro participate in sports?

Tags

CCSS.6.RP.A.3C