05/26/2014 Page 1 Statistics STA 2014 Week 2 Individual Work Assignment Instructions To complete th is assignment: 1. Answer all of the questions below in the space provided. 2. Reflect on the information presented in this week ’ s lesson and provide an insightful response to each question . Save and Submit to Dropbox 1. Save your work as a Microsoft Word 2010 (.docx) file that includes your name, course code, and title in the file name. For example: JaneSmith _ STA2014 _ Week 2 .docx. 2. To submit your assignment , go to the Dropbox and click "Submit Assignment." 3. Click on the drop - down menu to select the Week 2 : Individual Work basket in the Dropbox. Objective: Interpret the process of collecting unbiased data for observational studies and experiments. Section 1.1 22. Classify the variable as qualitative or quantitative. Student ID Number is a ________________variable. Answer: Quantitative 24. Determine whether the quantitative variable is discrete or continuous. The volume of water lost each day through a leaky faucet is a ________________ quantitative variable . Answer: Continuous 32 - 34 Determine the level of measurement of each variable. 32. Movie ratings of one star to five stars Answer: Qualitative 34 . Year of birth of college students Answer: Quantitative 52. Retirement Planning: The Principal Financial Group conducted a survey of 1 , 172 employees in the United States between July 2, 2010 and August 8, 2010, and asked if they were currently participating in the employer - sponsored automatic payroll deduction for a 401(k) plan to save for retirement. Of the 1 , 172 employees surveyed, 27% indicated they were participating. The Principal Group reported that 27% of all employees in the United States participated in automatic payroll deduction for a 401(k) plan to save for retirement with a 4% margin of error and 95% confidence. (a) What is the research objective? Answer: Student Name Christine Wilson Course and Section Number Program of Study STA 2014 Accounting