1a statistics instructor wants to know which route will get

Reference no: EM13353614

1. A statistics instructor wants to know which route will get her to school the fastest. Each day from October 2 to November 15, when she gets to the turn point she checks the odometer on her car. If it shows an even number she takes the freeway; if it shows an odd number, she takes the in-town route. She records the total time each day.
What is the response variable in this study?

A. the route
B. the odometer reading
C. the time to school

2. A statistics instructor wants to know which route will get her to school the fastest. Each day from October 2 to November 15, when she gets to the turn point she checks the odometer on her car. If it shows an even number she takes the freeway; if it shows an odd number, she takes the in-town route. She records the total time each day. This study is a(n)

A. observational study.
B. sample.
C. experiment.

3. Ann Landers once asked her female readers whether they would be content with affectionate treatment from men, with no sex ever. Over 90,000 women wrote in, with 72% answering "Yes." Why shouldn't we believe the results of this "poll?"
A. It was voluntary response.
B. It wasn't stratified.
C. The question was unclear.

Reference no: EM13353614

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