Banning controversial sports team sponsors. Refer to the Journal of Marketing Research (October 2015) study of the impact of banning a controversial sponsor on a sports team's success, Exercise 12.81 (p. 734). Recall that markets for English soccer clubs were classified as one of four types: (1) banned alcohol sponsors but now have other sponsors, (2) banned alcohol sponsors and now have no other sponsors, (3) did not ban alcohol sponsors but now have other sponsors, and (4) did not ban alcohol sponsors and now have no other sponsors. To assess the impact of an alcohol ban in a market, you fit a main effects model for the matching value loss (y) as a
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Statistics for Business and Economics (13th Edition)
- 9arrow_forwardTobacco companies have actively attempted to remake their public image by launching a youth smoking prevention advertisement campaign. Melanie Wakefield (a professor of applied psychology and researcher at the Center for Behavioral Research in Cancer in Victoria, Australia) and her colleagues conducted a study to assess the relation between exposure to tobacco companies' youth smoking prevention advertising and youth smoking-related beliefs, intentions, and behaviors. You use Professor Wakefield's research to design an experiment with two groups of middle school students from Vietnam. You show the tobacco company's youth smoking prevention ads to one of the groups of students every day for a week at the beginning of their math class. After the week, you assess the groups on the degree to which the students approve/disapprove of teens smoking, using a 5-point Likert scale. You do not have a prediction about the effect of the ads, as they are supposed to prevent smoking, but Professor…arrow_forwardA new and relatively expensive medication is released into the population to treat type II diabetes. A doctor notices that poor patients are less likely to see effects from the medicaation than more wealthy patients, but after conducting a survey the doctor finds the poor patients are less likely to fully comply with their medication regimen because they cannot afford to take the medication on a regular basis. This is an example of which of the following? A. Confounding. B. Statistical interaction. C. Selection bias or D. Recall biasarrow_forward
- In a research to study the gender differences in receiving Lidocaine therapy in Acure Myocardial infarction (AMI) patients older than 75 years who have a history of hypertension and strokes, there were 81 patients in total (30 males and 51 females). The following table provides the outcomes. Therapy Gender Receive Not receive Total Male 8 22 30 Female 16 35 51 Total 24 57 81 According to the hypothesis that there is no association between receive Lidocaine therapy and gender, what does the minimum expected cell count in this table? Based on the answer to part a, which test should you use to test the hypothesis of no association between receive Lidocaine therapy and gender? Test the hypothesis whether the receiving Lidocaine therapy is independent of their gender at .05 significance level. Find the critical value and p-value, respectively. Therapy Gender Receive Not receive Total Male 2 28 30…arrow_forwardIn a small study, a local community college investigated different indicators of college success. They found that: 0.36 of enrolled students had a full time job, 0.75 of enrolled students were enrolled full-time, and 0.19 of students enrolled full-tme also had a full-time job. According to the results of this study, are the outcomes "have a full-time job" and "enrolled full-time independent?arrow_forwardanswer all the questionsarrow_forward
- 2arrow_forward3. Euthanasia of healthy but unwanted pets by animal shelters is believed to be the leading cause of death for cats and dogs. A study designed to find factors associated with bringing a cat to an animal shelter compared data on cats that were brought to the Humane Society of Saint Joseph County, in Mishawaka, Indiana, with cats from the same county that were not. One of the factors examined was the source of the cat; the categories were private owner or breeder, pet store, and other (includes born in home, stray, and obtained from a shelter). Here are the data (from Patronek et al. 1996. Journal of the American Veterinary Medical Association. 209: 582-588): Source: Brought to Shelter Not Brought to Shelter Private 124 219 Pet Store 16 24 Other 76 203 Is there a relationship between the original source of the cat and whether it is brought to a shelter? Use a Chi Square test to examine whether the association between the two variables is statistically significant. Show all four…arrow_forwardIn an experiment designed to investigate the perception of corporate ethical values among people specialized in marketing, scores of 6 people were recorded in each case (higher scores indicate higher ethical values) and the following information was obtained: Write the effect model that describes this type of design and explain each of the components (in context)arrow_forward
- 5arrow_forwardA research article on the effect of multitasking on grade performance describes an experiment in which 62 undergraduate business students were randomly assigned to one of two experimental groups. Students in one group were asked to listen to a lecture but were told that they were permitted to use cell phones to send text messages during the lecture. Students in the second group listened to the same lecture but were not permitted to send text messages. Afterwards, students in both groups took a quiz on material covered in the lecture. Data from this experiment are summarized in the accompanying table.arrow_forwardn studies examining the effect of humor on interpersonal attractions, McGee and Shevlin (2009) found that an individual’s sense of humor had a significant effect on how the individual was perceived by others. In one part of the study, female college students were given brief descriptions of a potential romantic partner. The fictitious male was described positively as being single, ambitious, and having good job prospects. For one group of participants, the description also said that he had a great sense of humor. For another group, it said that he had no sense of humor. After reading the description, each participant was asked to rate the attractiveness of the man on a seven-point scale from 1 (very attractive) to 7 (very unattractive). A score of 4 indicates a neutral rating. a.The females who read the “great sense of humor” description gave the potential partner an average attractiveness score of M = 4.53 with a standard deviation of s = 1.04. If the sample consisted of n = 16…arrow_forward
- Big Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt