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You are a Business Analyst working for the ABC Ball Bearing company

Math

You are a Business Analyst working for the ABC Ball Bearing company. An hour ago, you sent an order of 74 boxes of your A1 ball bearings to a customer on your delivery truck. You have just found out that your truck is going to go over a bridge that has a weight limit of 11,500 lbs. You need to determine if your truck will safely make it over the bridge. If you determine that the truck cannot make it over the bridge, you will need to call the driver and have him/her turn back.

The plant manager has told you that an empty delivery truck with the driver weights about 8500 lbs.

You have 30 boxes of the A1 ball bearings in your plant. You immediately had them weighed. The weights of the boxes are:

40.1

41.1 39.5 40.1 39.1
41.2 37.6 39.1 41.6 40.8
43.2 38.9 38.1 43.5 36.9
39.1 40.5 41.2 37.6 44.0
38.0 39.8 42.1 38.6 41.3
43.7 36.9 43.6 38.1 40.2
Calculate the Mean and the Standard Deviation of this sample.
Using the normal distribution curve, calculate the probability the truck’s total weight is under 11,500 lbs. What is your decision? Will you allow the truck to continue or will you call the driver and tell him/her to turn back? Show all of your calculations.
Discuss several types of sampling: e. convenience sampling, random sampling, stratified sampling, systematic sampling or cluster sampling. Discuss which type of sampling is used in this scenario.
Discuss what sampling bias is. Do you believe that using the 30 boxes in your warehouse caused sampling bias?
What does the central limit theorem state and why is it important to solving this problem. Is the thirty boxes of ball bearings enough to predict the probability of safely going over the bridge?
Use the template provided to complete a 5-page report (excluding the cover page). NOTE: Please delete all instructions and examples before submitting your work.

Running head: BUSN311 - Quantitative Methods and Analysis Unit 1 - Fundamentals of Statistics Type your Name Here American InterContinental University 1 Running head: BUSN311 - Quantitative Methods and Analysis 2 Abstract This is a single paragraph, no indentation is required. The next page will be an abstract; “a brief, comprehensive summary of the contents of the article; it allows the readers to survey the contents of an article quickly” (Publication Manual, 2010). The length of this abstract should be 35-50 words (2-3 sentences). NOTE: the abstract must be on page 2 and the body of the paper will begin on page 3. Running head: BUSN311 - Quantitative Methods and Analysis 3 Introduction Remember to always indent the first line of a paragraph (use the tab key). The introduction should be short (2-3 sentences). The margins, font size, spacing, and font type (italics or plain) are set in APA format. While you may change the names of the headings and subheadings, do not change the font or style of font. Chosen Variables Introduce the variables that you chose to analyze and why you made that choice. Please remember you are limited to the choice of Gender or Position for your qualitative variable, and Intrinsic or Extrinsic for your quantitative variable. Difference in variable types Explain In your own words the difference between qualitative and quantitative variables. Which descriptive statistics are appropriate for qualitative variables and which are appropriate for quantitative variables and why? Descriptive statistics: Qualitative variable Copy/Paste appropriate descriptive statistics from Excel here for your qualitative variable Explanation of descriptive statistics Explain what these descriptive statistics represent or what recommendations you would make to AIU. What information do you now have as a result of processing this data? Descriptive statistics: Quantitative variable Copy/ Paste appropriate descriptive statistics from Excel for your quantitative variable. Running head: BUSN311 - Quantitative Methods and Analysis 4 Explanation of descriptive statistics Explain what these descriptive statistics represent or what recommendations you would make to AIU. What information do you now have as a result of processing this data? Chart/Graph for qualitative variable INSERT CHART here for qualitative variable. Be sure that you have included labels in the chart. Description of Chart Insert your written description of the chart pasted above Chart/Graph for quantitative variable INSERT CHART here for quantitative variable. Be sure that you have included labels in the chart. Description of Chart Insert your written description of the chart pasted above Explanation of standard deviation and variance Explain the importance of standard deviation and variance, what they measure and why they are needed. Importance of charts and graphs Explain the importance of charts and graphs in conveying information. Conclusion Add some concluding remarks-can be a sentence or two. Running head: BUSN311 - Quantitative Methods and Analysis 5 References NOTE: The reference list starts on a new page after your conclusion. For help with formatting citations and references using rules outlined in the APA Manual’s 6th Edition, please check out the AIU APA guide located under the Interactive Learning section on the left side of the course. Examples: American Psychological Association [APA]. (2010) Publication manual of the American Psychological association (6th ed.). Washington, DC: Author. Association of Legal Writing Directors (ALWD) (2005). ALWD citation manual: A professional system of citation (3rd ed.). New York: Aspen Publishers.
 

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