Random Sampling

Front

A school principal wants to know how teachers are liking the new rules she put in place. She surveys all the math and science teachers. Is this a biased sample or unbiased sample?

Back

Biased Sample

Front

Is picking 25 random names from a hat to survey students about their food preferences a biased or unbiased sample?

Back

Unbiased Sample

Front

Casey surveyed the members of his soccer team to ask them what their favorite sport is. Is this a biased sample or unbiased sample?

Back

Biased Sample

Front

Is the sample of surveying parents of all seventh grade students in a school district to know if they prefer phone calls or emails biased or unbiased?

Back

Biased Sample

Front

Is surveying the first 50 people at a store at 8am a biased or unbiased sample?

Back

Biased Sample

Front

Is the survey of 125 random students at Green Valley Middle School on homework time a biased or unbiased sample?

Back

Unbiased Sample

Front

Is asking every 10th person entering the airport if they prefer to check or carry on luggage a biased or unbiased sample?

Back

Unbiased sample

Front

Is the sample of students who ride the bus to school biased or unbiased?

Back

Biased Sample

Front

A middle school surveyed random students to find out which elective the students want to take next year. How many total students were surveyed?

Back

40

Front

Based on the results of this survey, which elective was least popular and should be canceled? Options: Spanish, Theater, Art

Back

Art