Valid VS Invalid Data Sampling

Valid or Invalid

Should more money be put into athletic programs or music programs at school? Ask: students in the band program.

• Invalid

• Valid

Valid or Invalid

At her field hockey practice, Janet surveyed the athletes on the girls' hockey team to determine which sports teenagers like best. Will here sampling method be likely to produce valid or invalid results?

• Valid

• Invalid

valid or invalid

every tenth student on the roster was asked to come take a survey on the best sport the school offers.

• valid

• invalid

Valid or Invalid

Mr. Bowker wants to know how many students like sports so he randomly surveys 20 football players and 10 volleyball players. Of the 30 students surveyed, 100% like sports.

• Valid

• Invalid

Valid or Invalid

Jase wanted to see what everybody thinks about math. He asked everybody that was in the math club.

• Valid

• Invalid

valid or invalid

the soccer coach picked every 3rd kid to take a survey on their favorite sport.

• valid

• invalid

Valid or Invalid

Time Magazine wants to know which topics their readers prefer. The magazine editors decide to put a survey in their magazine and asks readers to fill it out and send it back. Is this sampling method likely to produce valid or invalid data?

• Valid

• Invalid

Valid or Invalid

The student councel advisor asked every 10th student in the lunch line how they prefer to be contacted with school news. Will his sample method be more likely to give valid or invalid results?

• Valid

• Invalid

valid or invalid

the school board drafted every 15th kid off the school roster to take a survey on the favorite class

• valid

• invalid

valid or invalid

the school board took a survey of every tenth kid on the roster to see what the favorite subject is.

• valid

• invalid