School administrators conducted a survey to measure parental support of PARCC testing. The survey was mailed to the parents of all of the students in the school, with return envelopes. There were 1,100 surveys mailed out. After one month, 275 completed surveys were returned. Only 73 of those surveyed were supportive of PARCC testing. a. What is the response rate for this survey? Round to the nearest whole percent. b. Which bias is affecting the result? (Selection bias, Response/Measurement bias, or Non-response bias)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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School administrators conducted a survey to measure parental support of PARCC testing. The survey was mailed to the parents of all of the students in the school, with return envelopes. There were 1,100 surveys mailed out. After one month, 275 completed surveys were returned. Only 73 of those surveyed were supportive of PARCC testing.

a. What is the response rate for this survey? Round to the nearest whole percent.

b. Which bias is affecting the result? (Selection bias, Response/Measurement bias, or Non-response bias)

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