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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 routeB. the odometer readingC. 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.
High levels of glucose in the blood are indications of diabetes, which is becoming more prevalent in the United States. Diabetes can lead to many complications such as blindness and heart disease. A random sample of 180 individuals had their blood su..
Distinct random variable
For each of the 50 states and Washington, D.C., a number of statistics related to education are available for 1992
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The world record time (in minutes) in the marathon is plotted versus the year in which the record was set for men and women separately. The plotting symbol o is used for men and x for women. The data include only records set between 1908 and 1988.
What is the equation for this regression model?
Plan the scatter diagram
Analysis of data sets assignment
Basic Statistics problem
A survey of college students collected information on several variables: Distance from Home, Age, Major, Gender, and Class. The variable Major is
MATH1550H: Assignment: Question: Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form
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