Biased or Not Biased Samples Ch 10 Lesson 2

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
• I don't know

The student councel advisor asked every 10th student in the lunch line how they prefer to be contacted with school news. What type of sampling method was used in this situation?

• Simple Random Sample
• Systematic Random Sample
• Convenience Sample
• Voluntary Response Sample

Are the conclusions from this survey likely to be valid or invalid?

• Valid
• Invalid
• I don't know

What type of sampling method was used?

• Simple Random Sample
• Systematic Random Sample
• Convenience Sample
• Voluntary Response Sample

Are the conclusions from this survey likely to be valid or invalid?

• Valid
• Invalid
• I Don't Know

What type of sampling method was uses?

• Simple Random Sample
• Systematic Random Sample
• Convenience Sample
• Voluntary Response Sample

What type of sampling methods would be the most likely to produce VALID survey results?

• Unbiased or fair sampling
• Biased or unfair sampling
• Unbiased or unfair sampling
• Biased or fair sampling

What type of sampling methods would be the most likely to produce INVALID survey results?

• Unbiased or fair sampling
• Biased or unfair sampling
• Unbiased or unfair sampling
• Biased or fair sampling

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
• I don't know

At her field hockey practice, Janet surveyed the athletes on the girls' hockey team to determine which sports teenagers like best.  Which type of sampling method was used?

• Simple Random Sample
• Systematic Random Sample
• Convenience Sample
• Voluntary Response