Asample containing years to maturity and yield for 40 corporate bonds are contained in the data file named corporatebonds (barron’s, april 2, 2012). a. what is the sample mean years to maturity for corporate bonds and what is the sample standard deviation? b. develop a 95% confidence interval for the population mean years to maturity. c. what is the sample mean yield on corporate bonds and what is the sample standard deviation? d. develop a 95% confidence interval for the population mean yield on corporate bonds.

Part i a company's cereal is not selling well. create a 10-15-question survey that measures customers' preferences for the company's cereal product. then, answer the following questions: how many scale items will you put in the survey? justify your answer. will you use multiple-choice questions? why or why not? how many scale points will you use in the survey? justify your answer. what data type will be used in the survey? justify your answer. part ii as a second part of this assignment, create a set of survey questions, assuming that you sell cars. you are attempting to measure how customers perceive the quality of the cars that you sell. create three survey questions with simple category scales. justify why you selected those questions and scales. create three survey questions with multiple-choice, single-response scales. justify why you selected those questions and scales. create three survey questions with multiple-choice, multiple-response scales. justify why you selected those questions and scales. create three survey questions with likert scale summated ratings. justify why you selected those questions and scales.

Which of the following is an example of a production quota? a. the government sets an upper limit on the quantity that each dairy farmer can produce. b. the government sets a price floor in the market for dairy products. c. the government sets a lower limit on the quantity that each dairy farmer can produce. d. the government guarantees to buy a specified quantity of dairy products from farmers.

20. to add body to a hearty broth, you may use a. onions. b. pasta. c. cheese. d. water.