Identify two problems with the following question. Explain how you would rewrite it so that it is more appropriate. given that youth crime is on the rise in urban areas, what should be the top enforcement priority for our local police force? which one is correct answer? 1.youth crime 2.car theft 3.illegal drug use 4.violent crime

An online retailer monitors the number of visitors to the homepage, and the number of them who actually make purchases. She wants to test two new versions of the homepage, and the following table shows the conversion rate (number of purchase divided by the number of visits) before and after the change.   Original page Modified page 1 Modified page 2 Number of visitors 2841 2297 2132 Number that purchase 77 107 90 Test whether the three versions have the same conversion rate.

Compare and contrast the three types of responsibility centers. What is the best way to evaluate a manager's performance in each type of center? What is the problem with using only financial measures of performance?

A statistics instructor would like to know whether it is worthwhile to require students to do weekly homework assignments.  For Section1 of the course, homework is assigned, collected and graded each week.  In Section2, students are not required to turn in homework.  At the end of the semester, the students are given the same final exam.  In Section1, the numbers of students getting each grade are: 16 students got A, 22 students got B, 8 students got C, and 4 students got D.  In Section2, the numbers of students getting each grade are: 8 students got A, 18 students got B, 18 students got C, and 6 students got D.  Is there an association between assigning homework and exam grade?  Test at the alpha = 0.05 level.     a. We reject the null hypothesis with two-tailed critical values; there is an association between assigning homework and exam grade.   b. We reject the null hypothesis with one-tailed critical value; there is an association between assigning homework and exam…

what do all these things have in common A. Milk jug, teacup, bathtub B. Mouth, zipper, gears

Audrey Graco plans to conduct book signings in several cities to promote her new novel. She wishes to visit Knoxville, Chattanooga, Chapel Hill, Charlotte, Raleigh, and Richmond. How many different ways can she visit each of these cities and return to her starting point in Wilmington? OO A. 30 OB. 29 OC. 720 OD. 120

You work at McKinsey Company and you are in charge of assigning 6 new consultant analysts to projects. There are 5 projects in total. For a given project, up to 3 new consultants can be assigned (i.e., either 0,1,2 or 3 consultants will be assigned to each project). Each consultant is assigned to exactly one project. The table below indicates on which projects the new consultants can be assigned based on their skills and areas of expertise.                                        Project A    Project B    Project C    Project D    Project E Consultant 1                       Yes            Yes             Yes               No              Yes Consultant 2                       No             Yes             No               No               Yes Consultant 3                       Yes            No              No               Yes              Yes Consultant 4                       Yes            Yes             Yes              Yes               No Consultant 5                       Yes…

You may need to use the appropriate technology to answer this question. Suppose an institution categorizes colleges and universities on the basis of their research and degree-granting activities. Universities that grant doctoral degrees are placed into one of three classifications: moderate research activity, higher research activity, or highest research activity. The classifications for public and not-for-profit private doctoral degree-granting universities are summarized in the following table. Type ofUniversity Classification ModerateResearchActivity HigherResearchActivity HighestResearchActivity Public 28 71 96 Private 48 26 49 Test the hypothesis that the population proportions of public universities are equal in each classification category. Use a 0.05 level of significance. Find the value of the test statistic. (Round your answer to two decimal places.)   Find the p-value. (Round your answer to four decimal places.) p-value =

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If you have a qualitative independent variable that can take on 4 possible values, how many indicator variables do you need to create? O 3 O 4 O 5 O 6