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# Snack Company Case Study

## Assignment 1: Snack Company Case Study (BUS)

Due Week 10 and worth 130 points

Imagine you are a manager at a major potato chip/snack company. Customers have begun to complain that the bags of the leading flavor of potato chip produced in your company contain less than the advertised twenty (20) ounces of product by weight. Your boss wants to solve the problem at hand and has asked you to investigate. You have your employees pull thirty (30) bags off the line at random from all the shifts at the production plant. You ask your employees to measure the weight of chips there is in each bag.

 Sample Number Ounces in Bag Sample Number Ounces in Bag Sample Number Ounces in Bag 1 20.28 11 19.49 21 19.89 2 19.86 12 19.97 22 19.72 3 20.52 13 20.26 23 19.67 4 19.95 14 19.73 24 19.57 5 19.65 15 20.74 25 20.36 6 19.98 16 19.98 26 19.44 7 19.41 17 20.19 27 19.87 8 20.15 18 19.68 28 19.72 9 19.68 19 20.06 29 19.95 10 19.48 20 20.27 30 20.02

### Write a two to three (2-3) page report in which you:

1. Construct a histogram for the weight of chips in the bags.
2. Calculate the mean, median, and standard deviation for weight of chips in the bags.
3. Construct a 95% Confidence Interval for the weight of chips in the bags.
4. Conduct a hypothesis test to verify if the claim that the bags contain less than twenty (20) ounces is supported. Clearly state the logic of your test, the calculations, and the conclusion of your test.
5. Provide the following discussion based on the conclusion of your test:
1. If you conclude that there are less than twenty (20) ounces in a bag of chips, speculate on three (3) possible causes. Next, suggest the strategies to avoid the deficit in the future.

Or

1. If you conclude that the claim of less than twenty (20) ounces of chips per bag is not supported or justified, provide a detailed explanation to your boss about the situation. Include your speculation on the reason(s) behind the claim, and recommend one (1) strategy geared toward mitigating this issue in the future.

• Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides.  No citations and references are required, but if you use them, they must follow APA format. Check with your professor for any additional instructions.
• Include a cover page containing the title of the assignment, the student’s name, the professor’s name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length

##### The specific course learning outcomes associated with this assignment are:
• Apply various descriptive graphical techniques.
• Calculate measurements of central tendency and dispersal.
• Determine confidence intervals for data.
• Describe the vocabulary and principles of hypothesis testing.
• Discuss application of course content to professional contexts.
• Use technological tools to solve problems in statistics.
• Write clearly and concisely about statistics using proper writing mechanics.

Grading for this assignment will be based on answer quality, logic/organization of the paper, and language and writing skills, using the following rubric.

Points: 130
###### Assignment 1: Bottling Company Case Study
Criteria

Unacceptable

Below 60% F

Meets Minimum Expectations

60-69% D

Fair

70-79% C

Proficient

80-89% B

Exemplary

90-100% A

1. Construct a histogram for the weight of chips in the bags.

Weight:  10%

Did not submit or incompletely constructed a histogram for weight of chips in the bags.Insufficientlyconstructed a histogram for weight of chips in the bags.Partially constructed a histogram for weight of chips in the bags.Satisfactorilyconstructed a histogram for weight of chips in the bags.Thoroughly constructed a histogram for weight of chips in the bags.
2. Calculate the mean, median, and standard deviation for weight of chips in the bags.

Weight: 20%

Did not submit or incompletely calculated the mean, median, and standard deviation for weight of chips in the bags.Insufficientlycalculated the mean, median, and standard deviation for weight of chips in the bags.Partially calculated the mean, median, and standard deviation for weight of chips in the bags.Satisfactorilycalculated the mean, median, and standard deviation for weight of chips in the bags.Thoroughly calculated the mean, median, and standard deviation for weight of chips in the bags.
3. Construct a 95% Confidence Interval for the weight of chips in the bags.
Weight: 20%
Did not submit or incompletely constructed a 95% Confidence Interval for the weight of chips in the bags.Insufficiently constructed a 95% Confidence Interval for the weight of chips in the bags.Partially constructed a 95% Confidence Interval for the weight of chips in the bags.Satisfactorilyconstructed a 95% Confidence Interval for the weight of chips in the bags.Thoroughlyconstructed a 95% Confidence Interval for the weight of chips in the bags.
4. Conduct a hypothesis test to verify if the claim that the weight of chips in the bags is less than 20 is supported.Clearly state the logic of your test, the calculations, and the conclusion of your test.

Weight: 25%

Did not submit or incompletely conducted a hypothesis test to verify if the claim that the weight of chips in the bags is less than 20 is supported. Did not submit or incompletely stated the logic of your test, the calculations, and the conclusion of your test.Insufficiently conducted a hypothesis test to verify if the claim that the weight of chips in the bags is less than 20 is supported.  Insufficiently stated the logic of your test, the calculations, and the conclusion of your test.Partially conducted a hypothesis test to verify if the claim that the weight of chips in the bags is less than 20 is supported. Partially stated the logic of your test, the calculations, and the conclusion of your test.Satisfactorilyconducted a hypothesis test to verify if the claim that the weight of chips in the bags is less than 20 is supported.  Satisfactorily stated the logic of your test, the calculations, and the conclusion of your test.Thoroughly conducted a hypothesis test to verify if the claim that the weight of chips in the bags is less than 20 is supported. Thoroughly stated the logic of your test, the calculations, and the conclusion of your test.
5a. If you conclude that there are less than twenty (20) ounces in a bag of chips, speculate on three (3) possible causes. Next, suggest the strategies to avoid the deficit in the future.

Or

5b. If you conclude that the claim of less than twenty (20) ounces of chips per bag is not supported or justified, provide a detailed explanation to your boss about the situation. Include your speculation on the reason(s) behind the claim, and recommend one (1) strategy geared toward mitigating this issue in the future.

Weight: 15%

Did not submit or incompletely speculated on three (3) possible causes. Did not submit or incompletely suggested the strategies to avoid the deficit in the future.

Or

Did not submit or incompletely provided a detailed explanation to your boss about the situation. Did not submit or incompletely included your speculation on the reason(s) behind the claim, and did not submit or incompletely recommended one (1) strategy geared toward mitigating this issue in the future.

Insufficiently speculated on three (3) possible causes. Insufficiently suggested the strategies to avoid the deficit in the future.

Or

Insufficiently provided a detailed explanation to your boss about the situation. Insufficiently included your speculation on the reason(s) behind the claim, and insufficiently recommended one (1) strategy geared toward mitigating this issue in the future.

Partially speculated on three (3) possible causes. Partially suggested the strategies to avoid the deficit in the future.

Or

Partially provided a detailed explanation to your boss about the situation. Partially included your speculation on the reason(s) behind the claim, and partially recommended one (1) strategy geared toward mitigating this issue in the future.

Satisfactorily speculated on three (3) possible causes. Satisfactorily suggested the strategies to avoid the deficit in the future.

Or

Satisfactorily provided a detailed explanation to your boss about the situation. Satisfactorily included your speculation on the reason(s) behind the claim, and satisfactorily recommended one (1) strategy geared toward mitigating this issue in the future.

Thoroughlyspeculated on three (3) possible causes. Thoroughlysuggested the strategies to avoid the deficit in the future.

Or

Thoroughlyprovided a detailed explanation to your boss about the situation. Thoroughlyincluded your speculation on the reason(s) behind the claim, and thoroughlyrecommended one (1) strategy geared toward mitigating this issue in the future.

6. Writing / Support for ideas

Weight: 5%

Never uses reasons and evidence that logically support ideas.Rarely uses reasons and evidence that logically support ideas.Partially uses reasons and evidence that logically support ideas.Mostly uses reasons and evidence that logically support ideas.Consistently uses reasons and evidence that logically support ideas.
7. Writing / Grammar and mechanics

Weight: 5%

Serious and persistent errors in grammar, spelling, and punctuation.Numerous errors in grammar, spelling, and punctuation.Partially free of errors in grammar, spelling, and punctuation.Mostly free of errors in grammar, spelling, and punctuation.Free of errors in grammar, spelling, and punctuation.

 Sample Number Ounces in Bag 1 20.28 2 19.86 3 20.52 4 19.95 5 19.65 6 19.98 7 19.41 8 20.15 9 19.68 10 19.48 11 19.49 12 19.97 13 20.26 14 19.73 15 20.74 16 19.98 17 20.19 18 19.68 19 20.06 20 20.27 21 19.89 22 19.72 23 19.67 24 19.57 25 20.36 26 19.44 27 19.87 28 19.72 29 19.95 30 20.02

Last Updated on February 11, 2019

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