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A manufacturing company employs 14 project managers, 44 forepersons, and 380 labourers. In an effort to keep informed about any possible sources of employee discontent, management wants to conduct job satisfaction interviews with a simple random sample of employees every month. Complete parts (a) through (f) below.a) Is there any danger of bias in the company's plan? Choose the correct answer below -:j_j.1 A. Yes. Since management wants the interviews employees may say that they are more satisfied than they really are to avoid making management unhappy. . Yes. The interviews will not be conducted simultaneously. so bias overtime is introduced. . Yes By having employees With differentjobs participate, there is likely to be too much variation in the responses for the interviews to be meaningful No The company's method is not predisposed to any kind of bias b) How can a simple random sample be selected? Choose the correct answer below. . Send a notice to all employees asking for volunteers. Interview the first n employees that volunteer. List the employees alphabetically by last name. Select a sample of n employees by selecting the first n employees In the list. -:j_j.1 C. Assign numbers from 1 to 438 to each employee. Then, use a random number table or a random number generator to select a sample using these numbers. -:j_j.1 D. Set up a polling station at the entrance to the building. lnterviewthe first n employees that arrive in the morning. c) Why might a simple random sample not provide the representative opinion that the company seeks? Choose the correct answer below. O A. The population of the company's employees is too small for simple random sampling to be effective. O B. A simple random sample selects the first individuals to volunteer to be interviewed. O C. A simple random sample is likely to select samples comprised entirely of only project managers and forepersons. O D. The groups of employees are very different in size. A simple random sample is very likely to favour the largest group, the labourers. d) What ethical issue would be involved if the company statistician conducted the survey this way? Choose the correct answer below. O A. The company statistician is not sufficiently trained to conduct frequentist analyses. This violates the ethical guidelines for professionalism. O B. The company statistician may be predisposed toward particular findings since the statistician is a company employee. This violates the ethical guidelines for professionalism. O C. The company statistician cannot disclose the sources of the information discovered during the interviews. This violates the ethical guidelines for responsibilities in publications and testimony. O D. The company's management is likely to only consider the findings if the findings conform to its expectations. This violates the ethical guidelines for the responsibilities of employers.e) Propose a better sampling strategy Choose the correct answer below if) A. Sort the employees by length of time employed by the company. Select the set of employees with the greatest employment time 1) E. Divide the employees into subgroups by birth month Then select the employee from each birth month whose birth date tails on the earliest day ofthe month {"1 C. Divide the employees into subgroups by job type. Then select a random sample. proportionately to the size of each subgroup. from each subgroup. . Conduct a census of all employees whose last name begins With the letter S f) Listed below are the last names otthe project managers. Ahmed, Bowman. Chen. DeLara, DeRoos' Grigorov, Li. Mulvaney. Pagliarulo' Rosica' Smithson. Tadros, Williams. Yamamoto Suppose that a random number generator gives the sequence 01' ()4. 14' 0?, 11. Explain how to use this sequence to select two people to be interviewed Choose the correct answer below. if] A. Assign numbers from 1 to 14 to the names in the list The numbers 01 and 04 indicate that the names assigned 1 and 4 should be selected 50: the names Ahmed and DeLara are selected to be intervrewed. if) B. Assign numbers from 1 to 14 to the names in the list The numbers 01 and 04 indicate that the names assigned numbers between 1 and 4 should be selected. So. interview all project managers whose last name falls between Ahmed and DeLara in the list if} C. Assign numbers from 1 to 14 to the names in the list The numbers 01 and 04 indicate that all names except those assrgned 1 and 4 should be selected. So, intervrew all project managers except Ahmed and DeLara . Assign numbers from 1 to 14 to the names in the list The numbers 01 and 04 indicate that the names assigned 1 and 4 should be selected 30. the names Yamamoto and Li are selected to be intervrewed