Question: A random sample of 800 CMA Certificate of Management Accounting
A random sample of 800 CMA (Certificate of Management Accounting) test takers who prepared for the exam by taking one of three national CMA preparation courses was selected to determine if test performance and preparation course were related. Results from the survey are shown below.
Use a chi square test of independence to test the proposition that test performance is independent of preparation course. Use a significance level of 5%.
Answer to relevant QuestionsIdentify the following variables as either qualitative or quantitative. Also indicate whether the variables are usually numeric or nonnumeric. Variable a. Cell phone number b. Hourly wage c. Time to complete an essay d. ...The table shows the installed wind power capacity, in megawatts, in 8 western states (To put the numbers in perspective, a single wind turbine typically has a power capacity of 1 to 3 megawatts.) State Capacity ...The number of defective microchips produced by machine # 6 during each of the last 24 hours of operation is shown in the frequency table below: Defectives x No. of hours ...A survey of 1000 college students was taken to explore various aspects of college life. Among the questions asked was, “What do you believe is the most important role of the college experience?“ Responses are reported ...Scores for a sample of 350 job applicants taking an aptitude test are summarized in the table below: The average test score for the sample was 65. The standard deviation was 15. Conduct an appropriate chi square goodness of ...
Post your question