Populations and Samples

The part of the population being studied

• population
• sample
• random

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A sample that is by chance.

• random sample
• stratified sample
• systematic sample

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A sample that follows a rule, formula, or pattern.

• random sample
• stratified sample
• systematic sample

Tags

CCSS.7.SP.A.1

A sample chosen at random form a randomly chosen subgroup or subgroups.

• random sample
• systematic sample
• stratified sample

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

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.7.SP.A.2

What would be the sample 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.7.SP.A.2

Identify the sampling.
Every tenth student on the list was chosen to participate in the survey.

• random sampling
• systematic sampling
• stratified sampling

Tags

CCSS.7.SP.A.1

Identify the type of sampling.
Seat numbers are chosen from a hat to identify passengers on an airplane who will be surveyed.

• random sampling
• systematic sampling
• stratified sampling

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Identify the sampling.
One hundred shoppers are chosen by chance from four randomly chosen computer stores.

• random sampling
• systematic sampling
• stratified sampling

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

The entire group studied.

• sample
• population

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2