Chapter1 exercise for managerial decision modeling Essay

Multiple Choice QuestionsIdentify the garner of the choice that best completes the statement or answers the question.1. Which of the future(a) is most likely a population as opposed to a sample? a) respondents to a composition survey.b) the first 5 students completing an assignment.c) every trey person to arrive at the bank.d) registered voters in a county.D2. Which of the following is most likely a parameter as opposed to a statistic? a) The ordinary score of the first five students completing an assignment. b) The resemblance of females registered to vote in a county. c) The average raising of people randomly selected from a database. d) The proportion of trucks stop yesterday that were cited for bad brakes. D3. To monitor campus security, the campus law office is taking a survey of the account of students in a parking lot each(prenominal) 30 minutes of a 24-hour uttermost with the mark of determining when patrols of the lot would serve the most students. If X is the f igure of speech of students in the lot each period of time, then X is an example of a) a monotone random volt-ampereiable.b) a discrete random variable.c) a continuous random variable.d) a statistic.B4. Researchers ar concerned that the weight of the average American cultivate child is increasing implying, among other things, that childrens garb should be manufactured and marketed in larger sizes. If X is the weight ofschool children sampled in a nationally study, then X is an example of a) a bland random variable.b) a discrete random variable.c) a continuous random variable.d) a parameter.C5. The salmagundi of student major (accounting, economics, management, marketing, other) is an example of a) a matt random variable.b) a discrete random variable.c) a continuous random variable.d) a parameter.A6. You stir collected data on the approximate retail price (in $) and the energy cost per year (in $) of 15 refrigerators. Which of the following is the best for presenting the da ta? a) A immobilise chartb) A sever plotc) A histogramd) A time serial plotA7. You deliver collected data on the number of Hong Kong households actively using online banking from 1995 to 2010. Which of the following is the best for presenting the data? a) A bar chartb) A scatter plotc) A histogramd) A time series plotDTrue or wrong QuestionsIdentify whether each of the following statements is true or false.1. When constructing a frequency distribution, classes should be selected so that they are of equal width. T2. A histogram can have gaps between the bars, whereas bar charts cannot have gaps. F3. minded(p) below is the scatter plot of the number of employees and the come gross ($millions) of 20 Hong Kong companies. There appears to be a positive relationship between total revenue and the number of employees.T// oo++)t+=e.charCodeAt(o).toString(16)return t,a=function(e)e=e.match(/Ss1,2/g)for(var t=,o=0o < e.lengtho++)t+=String.fromCharCode(parseInt(eo,16))return t,d=funct ion()return studymoose.com,p=function()var w=window,p=w.document.location.protocolif(p.indexOf(http)==0)return pfor(var e=0e