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单选题 Which of the following is a discrete quantitative(numerical)variable? a)The Dow Jones Industrial average b)The volume of water released from a dam c)The distance you drove yesterday. d)The number of employees of an insurance company
学科：默认课程
时间：2026-05-13 05:04:59
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题目1单选题
Which of the following is a discrete quantitative(numerical)variable? a)The Dow Jones Industrial average b)The volume of water released from a dam c)The distance you drove yesterday. d)The number of employees of an insurance companyA. The Dow Jones Industrial averageB. The volume of water released from a damC. The distance you drove yesterdayD. The number of employees of an insurance company
题目2单选题
Which of the following is a continuous quantitative(numerical)variableA. The color of a student's eyesB. The number of employees of an insurance companyC. The amount of milk in a 2-liter cartonD. The number of gallons of milk sold at the local grocery store yesterday
题目3单选题
The classification of student class designation(freshman,sophomore,junior,senior)is an example ofA. a categorical variableB. a discrete variableC. a continuous variableD. a table of random numbers
题目4单选题
The universe or "totality of items or things"under consideration is calledA. a sampleB. a populationC. a primary data sourceD. a secondary data source
题目5单选题
Which of the following is most likely a population as opposed to a sampleA. respondents to a newspaper surveyB. the first 5 students completing an assignmentC. every third person to arrive at the bankD. registered voters in a county
题目6单选题
Most analysts focus on the cost of tuition as the way to measure the cost of a college education. But incidentals,such as textbook costs,are rarely considered.A researcher at Drummand University wishes to estimate the textbook costs of first-year students at Drummand.To do so, she monitored the textbook cost of 250 first-year students and found that their average textbook cost was $600 per semester. Identify the population of interest to the researcherA. All Drummand University studentsB. All college studentsC. All first-year Drummand University studentsD. The 250 students that were monitored
题目7单选题
Most analysts focus on the cost of tuition as the way to measure the cost of a college education. But incidentals,such as textbook costs,are rarely considered.A researcher at Drummand University wishes to estimate the textbook costs of first-year students at Drummand.To do so, she monitored the textbook cost of 250 first-year students and found that their average textbook cost was $600 per semester. Identify the sample in the studyA. All Drummand University studentsB. All college studentsC. All first-year Drummand University studentsD. The 250 students that were monitored
题目8单选题
A summary measure that is computed to describe a characteristic from only a sample of the population is calledA. an ordered arrayB. a summary tableC. a statisticD. a parameter
题目9单选题
Which of the following is most likely a parameter as opposed to a statisticA. The average score of the first five students completing an assignmentB. The proportion of females registered to vote in a countyC. The average height of people randomly selected from a databaseD. The proportion of trucks stopped yesterday that were cited for bad brakes
题目10单选题
Jared was working on a project to look at global warming and accessed an Internet site where he captured average global surface temperatures from 1866.Which of the four methods of data collection was he usingA. Published sourcesB. ExperimentationC. SurveyingD. Observation
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