Question
A researcher wants to determine the percentage given below. Describe how the researcher should apply the five basic steps in a statistical study.(Assume that all
A researcher wants to determine the percentage given below. Describe how the researcher should apply the five basic steps in a statistical study.(Assume that all the people in the poll answeredtruthfully.) the percentage of drivers that have auto insurance
Determine how to apply the first basic step in a statistical study in this situation. Choose the correct answer below.
A. The population is all driversnothing that do not have auto insurance. The researcher wants to estimate the number in this population that have auto insurance.
B. The population is all driversthat have auto insurance. The researcher wants to estimate the number in this population that have auto insurance.
C. The population is all drivers.The researcher wants to estimate the percentage in this population that have auto insurance.
D. The population is all drivers. The researcher wants to estimate the percentage in this population that do not have auto insurance.
Determine how to apply the second basic step in a statistical study in this situation. Choose the correct answer below.
A.The researcher should gather raw data from all drivers driversabout whether or not they have auto insurance.
B. The researcher should only gather raw data from driversthat do not have auto insurance.
C.The researcher should gather data about havingauto insurance from the largest sample of drivers from which the researcher can gather data.
D. The researcher should only gather raw data from drivers that have auto insurance.
Determine how to apply the third basic step in a statistical study in this situation. Choose the correct answer below.
A. The sample statistic of interest is the percentage of driversin the sample that do not have auto insurance.
B.The sample statistic of interest is the percentage of driversin the sample that have auto insurance.
C.The sample statistic of interest is the number of driversin the sample that do not have auto insurance.
D. The sample statistic of interest is the number of driversin the sample that have auto insurance.
Determine how to apply the fourth basic step in a statistical study in this situation. Choose the correct answer below.
A.The researcher should use the sample statistic as an estimate for the population value of the percentage of driversthat have autoinsuranceand then use the methods of statistics to determine how good that estimate is.
B. If the percentage of driversthat have auto insurance insuranceis greater than50% in thesample, the researcher can be confident that all drivershave auto insurance.
C. If the researcher followed correctprocedures, he or she can be confident that the sample statistic is equal to the percentage of drivers in the population that have auto insurance.
D. The sample statistic provides no useful information to the researcher in this situation.
Determine how to apply the fifth basic step in a statistical study in this situation. Choose the correct answer below.
A. There is no way to determine how well the sample statistic estimates the population parameter.
B. The researcher cannot draw any conclusions based on the value of the sample statistic.
C. The researcher knows that the sample statistic is equal to the populationparameter, so he or she may draw conclusions with complete confidence.
D. The researcher should use the methods of statistics to determine the quality of the estimate of the population parameter and draw conclusions based on this estimate accordingly.
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