Friday 5/8 - Populations/Samples

_______ 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 a sample in which each individual or object in the entire population has na equal chance of being selected.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

CCSS.7.SP.B.4

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

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours.  What is the population?

• People who visit the bookstore.
• People who buy mystery novels.
• Residents of the town
• People who like to read.

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A student surveys mathematics teachers to get their opinion on teaching.  What is the sample?

• All teachers in the world.
• All teachers within the school.
• All mathematics  teachers in the school.
• All teachers except mathematics teachers.

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A coach wants to know the favorite snack purchased at the concession stand during football games. Which is the best sample for the coach’s survey?

• students getting off the bus

• teachers at the school

• the football team players

• students entering the football stands

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Find the median.
12, 5, 9, 18, 22, 25, 5

• 9
• 8
• 12
• 18

Gio surveys 40 Quick Trip employees. He reports that 5 out of 15 fast-food employees are satisfied with their hourly pay rate. What percentage of employees are happy with their pay rate?

• 40%
• 33%
• 12.5%
• 38%

According to a random telephone survey, 85% of all working adults in the U.S. are satisfied with their current job. If I asked 500 adults, how many do you predict would be satisfied with their current job?

• 85 adults
• 340 adults
• 500 adults
• 425 adults

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Zoie completes a report by asking 70 students across campus. She found that 48% of CTMS students do not wash their hands after using the bathroom. What is the sample size?

• 48
• 100
• 70
• CTMS students

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2