Question

(2) What are the four (4) Qualitative Models? Explain each with examples.
(3) State and Discuss four (4) components of a Time-Series.
(4) Using Wallace Gardens Supply sales data in Table 5.2, if the November and December sales 
      are changed to 17 and 16 respectively, what will be the Moving Average Forecasts for coming
      January month. Show all calculations clearly.
(5) (a) State the Structure of Exponential Smoothing, and explain the role of "Alpha."
     (b) From the Port of Baltimore example, using MAD (mean absolute deviation), which Alpha is the
           best between Alpha = .10   and   Alpha = .50, and why? 

Answer 1

****Answering 1 question as per Chegg guideline****

(2) What are the four (4) Qualitative Models? Explain each with examples.

1.       Ethnography: This anthropological way to deal with directing qualitative research is one that permits the researcher to install oneself in the characteristic setting of the subject the person attempts to study. The researcher is drenched in the living the lives simply like the subject being considered, encountering and interfacing with them. Some classical anthropological investigations have seen researchers implanting themselves in a town or tribal village, living and researching the individuals possessing them, their traditions and conventions, and so on. For instance, one method for revealing the unmet needs of clients is to "tail them home" and watch them as they interface with the item. You don't come equipped with any speculations to fundamentally test; rather, you're hoping to discover how an item is utilized.

2.       Ground theory: This way to deal with qualitative research utilizes the research information to the tee. Rather than drawing on theory toward the start of the research, this methodology gets theory from the information gathered through research. The theory is grounded in the information. For example, your information would permit you to code and characterize it, prompting the improvement of theory. Another model is , a grounded theory study could include seeing how programming designers use entries to convey and compose code or how little retail vendors favor or decay clients for credit.

3.       Phenomenology: This way to deal with qualitative research considers wonders, or appearances of things. It contemplates a specific phenomenon, in its numerous points and aspects, adding to information about the phenomenon. For instance, on the off chance that you are researching the phenomenon of lightning, you take a gander at data that you could access on lightning as it is experienced.

4.       Case study: The case study approach attempts to study unit of any subject. It attempts to unite all viewpoints and data about the unit under study, adding to clarifying or portraying something. This could be a nation or an organization. For instance, a case study of how an enormous worldwide organization brought UX techniques into a light-footed advancement condition would be instructive to numerous associations.