Valid or Invalid

Carlos wants to know the favorite sport of people at his school so he asks his baseball team.

• Valid

• Invalid

A homeowner divides their backyard into 5 sections, and randomly removes soil from sections.

• Valid

• Invalid

Tags

CCSS.7.SP.A.2

A public library asked every 10th person who entered to name the type of book they were getting

• Valid

• Invalid

Senator wants to how she is doing. She sends a survey to 1000 registered voters in her party

• Valid

• Invalid

The first 100 people at the park Thursday were asked if dogs should be off leashes in the park.

• Valid

• Invalid

What is your favorite sport? Ask: people attending a soccer game

• Valid

• Invalid

A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.

• Valid

• Invalid

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Carlos wants to know the favorite sport of people at his school so he asks his baseball team.

• Valid

• Invalid

The lifeguard of a water park wants to determine which water rides are enjoyed the most so he asks every tenth person who leaves the park to list his or her three favorite rides.

• Valid

• Invalid

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A teacher decides to survey the students in her classes to find out their opinion on the new menu in the cafeteria.

• Valid

• Invalid