Mathematics
Grade 6
45 min
Identify representative, random, and biased samples
Tutorial Preview
1
A town surveys every 20th person on a town list to see if they want a new park. Is this sample representative?
2
To find the most popular sport, a reporter only surveys people at a baseball game. Is this sample biased?
3
A principal puts all 500 student names in a computer and has it pick 50 names for a survey. Is this a random sample?
Sample Practice Questions
Easy
A car factory checks every 100th car for quality. Is this sample representative or biased?
0.Representative
1.Biased
2.Random
3.Small
Easy
To find the best pizza topping, you only ask people at a pepperoni pizza convention. Is this sample representative or biased?
0.Representative
1.Biased
2.Random
3.Large
Easy
A teacher draws 5 names from a hat with every student's name to choose helpers. Is this a random sample?
0.Random
1.Biased
2.Unfair
3.Systematic
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