CCSS.Math.Content.7.SP.A.1

A scientist studies a herd of mule deer to learn about their dietary habits.  Identify the population.

• All animals
• Mule deer
• Deer
• Mules

Tags

CCSS.Math.Content.7.SP.A.1

A wildlife reserve has a population of 70 elephants. A group of researchers trapped 30 elephants and recorded their vital statistics. Of the trapped elephants, 24 were female. If that rate holds true for the entire population of 70 elephants, how many female elephants are on the wildlife reserve?

• 56
• 204
• 100
• 216

Tags

CCSS.Math.Content.7.SP.A.1

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.Math.Content.7.SP.A.1

A mayor wanted to see if the people in his town thought he was doing a good job.  Which choice BEST represents a population?

• The residents of 4 different neighborhoods.
• The residents of the town.
• 442 voters age 21 to 30
• Local business owners

Tags

CCSS.Math.Content.7.SP.A.1

How many people watched more than 25 hours of TV last week?

• 0
• 10
• 38
• 42

Tags

CCSS.Math.Content.7.SP.A.1

6. Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• A. Thirty randomly selected students from her school
• B. Thirty students who are rarely tardy
• thirty of her friends

Tags

CCSS.Math.Content.7.SP.A.1

I surveyed 100 people at a grocery store by selecting every 3rd person that entered, does this sample represent the local population?

• Yes, it is random and unbiased.

• Yes, it is random and biased.

• No, while it is random, it is also biased.

• No, while it is random, it is also unbiased.

Tags

CCSS.Math.Content.7.SP.A.1

Biased or Random?

Audi wants to find out how students get to school at Menifee Elementary so she places the names of all students into a fish bowl and pulls out 50 so she can survey them.

• Biased

• Random

Tags

CCSS.Math.Content.7.SP.A.1

Biased or Random?

Alexis wants to learn what the most popular board game in the United States is, so she creates a poll and shares it on Twitter.

• Biased

• Random

Tags

CCSS.Math.Content.7.SP.A.1

What is the Mad?

4,32,33,45,67

• 33

• 15.84

• 18

• 15.9

Tags

CCSS.Math.Content.7.SP.A.1