## Business Statistics Discussion and Assignment

Place all references and citations in and below the appropriate work. Do not place them on the same page. Times New Roman 12 and APA format

Assignment- Due Wednesday February 7, 2018
There are significant calculations to be made in doing this assignment. I have attached calculation worksheets to assist in which all of the necessary calculations and charts in those worksheets are done for you. Go through those calculations very carefully, making sure that you understand them completely.  Once you understand those calculations, you should be able to answer the questions without any major difficulty. IN ANSWERING THE QUESTIONS, IT IS ESSENTIAL THAT YOU INCLUDE APPROPRIATE NUMBERS FROM THE WORKSHEETS TO SUPPORT YOUR ANSWERS.

**The data in the table below lists country code and the order to remittance (OTR) time for hardware / software installations for the last 76 installations (from first to last). OTR is the time it takes from an order being placed until the system is installed and payment is received (remittance). Because this company does business internationally, it also notes the country of installation using a country code. This code is listed in the first column.

Table: Country Code and OTR Cycle Time for Software Systems Installation

Country Code       Cycle Time       Country Code       Cycle Time
1                                    20                          5                                    29
1                                    24                          6                                    40
1                                    46                          7                                    157
1                                    26                          8                                    19
14                                 38                          5                                    24
1                                    15                          1                                    81
1                                    15                          7                                    53
17                                 23                          7                                    26
1                                    31                          1                                    28
1                                    31                          1                                    34
6                                    64                          1                                    34
5                                    29                          7                                    50
5                                    44                          1                                    52
1                                    32                          1                                    19
1                                    15                          1                                    44
7                                    11                          14                                 150
7                                    14                          7                                    29
1                                    89                          17                                 23
17                                 41                          6                                    79
7                                    41                          17                                 13
1                                    36                          6                                    32
8                                    43                          7                                    61
17                                 21                          8                                    42
8                                    28                          8                                    46
7                                    18                          7                                    88
8                                    47                          14                                 24
6                                    26                          7                                    7
6                                    47                          1                                    33
5                                    9                             5                                    129
7                                    42                          17                                 41
5                                    5                             17                                 43
6                                    27                          14                                 42
6                                    27                          14                                 42
1                                    33                          7                                    53
7                                    44                          7                                    53
1                                    21                          7                                    48
1                                    22                          5                                    21
1                                    50                          1                                    19

Use the date in table above and answer the following questions in the space provided below:
1. Does the OTR time appear to be stable?  Why or why not?
2. If you were to use a control chart to evaluate stability, which chart would you use?  Why?
3. What can you learn about the distribution of the installation process?
4. Does it appear that the country has an impact on installation time? Why or why not?

Discussion 1 ½ Paragraphs of substance (no copying and pasting)
Process Improvement and Problem-Solving Tools
• Use the Internet to research articles on process improvement and problem-solving tools. Select one (1) business project that used one of the tools discussed in the textbook. Evaluate the level of the efficiency and effectiveness of the utilization of the tool within the project that you selected. Justify your response.

Discussion 1 ½ Paragraphs of substance (no copying and pasting)
Building Data Models
• Per the textbook, in order to understand the causal relationship in business process, managers often ask “whys” to drill down the root cause of failures. Select one (1) project from your working or educational environment, and propose at least three (3) “why” questions that you would ask in order to identify the root cause of the problem. Justify your responses.

Discussion 1 ½ Paragraphs of substance (no copying and pasting)
Creating Statistical Experiments
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