Population Samples and Random Sampling

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

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

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

Sam is taking a survey of customers at a local bakery. He is asking if they enjoy cupcakes. Is this a random sample?

• Yes

• No

You want to survey your class's favorite color. Which would create a random sample?

• Only girls

• Only boys

• Both boys and girls

Manny surveyed three firefighters that were just hired. Is this a biased sample?

• Yes

• No

Rose surveyed four nurses who were recently hired. How can she create a better random sample?

• She could also include nurses who were not recently hired.

• The sample is fine the way that it is.

You want to survey the girls' volleyball team about their preferred type of volleyball for the school paper. How can you create a random sample?

• Survey 2 out of the 18 girls on the team.

• Survey 10 out of the 18 girls on the team.

Taking a survey of 4 out of 500 people is a good random sample.

True or False

• True

• False

Taking a survey of 100 people out of 500 is a good random sample.

True or False?

• True

• False

You want to survey your school to find out students' favorite subject. How can you create a random sample?

• Survey 7 out of the 300 students in the school.

• Survey 50 out of the 300 students in the school.