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- Would observations or interviews be more appropriate to research the following topic?People's behaviors at dog parks.O ObservationO InterviewsWhich one measure of central tendency would you report for the variable SEX (1=male, 2= female)Health insurer benefits vary by the size of the company. The sample data below show the number of companies providing health insurance for small, medium, and large companies. For the purpose of this study, small companies are companies that have fewer than 100 employees. Medium-sized companies have 100 to 999 employees, and largevcompanies have 1000 or more employees. The questionnaire sent to 225 employees asked whether or not the employee had health insurance and then asked the employee to indicate the size of the company. Health Insurance Size of company Yes No Total Small. 35 15 50 Medium 67 8 75 Large 87 13 100 A. Conduct a test of independence to determine whether health insurance coverage is independent of the size of the company. What is the p-value? Compute the value of the x2 test statistic (to 2 decimal)
- What test would you use if you want to determine whether gender and major depend upon one another? We are reading Chapter 11 of business statisticsConsider the data that was obtained from a random sample of 41 credit card accounts. Identify all the averages (mean, median, or mode) that can be used to summarize the name of credit card (e.g., MasterCard, Visa, American Express, etc.) O median if it exists mean and mode if it exists O mean, median, and mode if it exists O mode if it exists mean if it existsAt a restaurant a manger recorded the sales for one of his servers named Damaria. $52, $60, $48, $52, $46, $52, $28, $192, $71, $59 Which center should be used to best represent the data? O a) Damaria's mode sale is $52 O b) Damaria's mean sale is 570. Oa Damaria's median sale is $52. O al, Damaria's range of her sales is $164
- What is the alternative hypothesis for this research question? Group of answer choices There is no difference in mean job satisfaction across the three height groups. Mean job satisfaction will differ between at least two of the height groups. The mean job satisfaction for tall people is higher than the mean job satisfaction for short people. The mean of one group will differ from the average job satisfaction of the population.1.6 How would you rank cities? Various organizations rank cities and produce lists of the 10 or the 100 best cities, based on various measures. Create a list of criteria that you would use to rank cities. Include at least eight variables and give reasons for your choices. Say whether each variable is quantitative or categorical.Examples of population or sample? A. The types of cars driven by ur classmates B. The wt of five out of 33 tomatoes at the store C. A recent poll of 100 students in the US on studying habits
- Ages of students in a business math class are: 25, 19, 22, 32, 28, 19, 19, 20, 41, 20, 19, 73, 19, 34, 21, and 37. a) What is the mean?, b) What is the median?, c) What is the Mode?a researcher uses an anonymous survey to investigate the television-viewing habits of 100 American adolescents. he plans to make infrence about tv habits and the american based survery the entire group of american adolescents is an example of? sample, population, parameter, and statistic?What research method is being used? A Is it observation B participant observation C interview D survey E experiment
