HW11 MGMT650_Summer2019_Questions

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Saeko has a yarn shop and wants to test her theory on what types of colors she is selling.
She believes that Black, White, the Primary Colors, and Tertiary colors sell in equal amounts.
Test Saeko’s theory using the 5 step hypothesis testing analysis and Chi Square at the .10 level of significance.

(optional) Use the “Pivot Table Data” tab to create a pivot table that shows Saeko the number of yards that were sold in the various yarn types during the busiest weekend of her shop last year.
The pivot table should contain Color Type, Sum of Yards and Count of Color Type as Column Titles.
Here is the pivot table that you should have created. It is optional so that you can practice your pivot table skills.
Color Type Sum of Yards Count of Color Type
Black 19,762.00 23
Blue 8,127.00 20
Brown 8,027.00 13
Green 6,533.00 12
Purple 7,243.00 12
Red 5,194.00 10
White 17,649.00 26
Yellow 7,229.00 14
Grand Total 79,764.00 130

1) Using the pivot table that you just created, fill in the blanks in the following table:
Primary Colors consists of the sum of Blue, Red, and Yellow yarn sold
Tertiary Colors consists of the sum of Brown, Green, and Purple Colors Sold.
The Total in this chart must equal the Grand Total, Cell D16 in the above table.
Color Type Sum of Yards
Black
White
Primary Colors
Tertiary Colors
Total

This table represents the observed data in the Chi Square analysis.

Find the Expected values for each of the colors. Saeko expects that the colors sell in equal amounts.
Color Type Sum of Yards
Black
White
Primary Colors
Tertiary Colors
Total

Subtract the Expected values from the observed values
Color Type Sum of Yards
Black
White
Primary Colors
Tertiary Colors

Square the values just found
Color Type Sum of Yards
Black
White
Primary Colors
Tertiary Colors

Divide each square by the expected value and add together
Color Type Sum of Yards
Black
White
Primary Colors
Tertiary Colors
Total
This total is your Chi Square test statistic

2) Use the 5 step hypothesis testing procedure to determine if Saeko’s hypothesis that the colors sell in equal amounts is true.
What is the null hypothesis?
What is the alternative hypothesis?

What is the level of significance?

What is the Chi Square test statistic? –

3) What is the Chi Square critical Value? Use =CHISQ.INV()

4) What is your answer to Saeko?

Saeko owns a yarn shop and want to expands her color selection.
Before she expands her colors, she wants to find out if her customers prefer one brand
over another brand. Specifically, she is interested in three different types of bison yarn.

As an experiment, she randomly selected 21 different days and recorded the sales of each brand.
At the .01 significance level, can she conclude that there is a difference in preference between the brands?

Misa’s Bison Yak-et-ty-Yaks Buffalo Yarns
343 365 360
308 368 346
349 351 381
304 339 306
348 366 314
346 331 307
Total 1,998.00 2,120.00 2,014.00

5) What is the null hypothesis?
What is the alternative hypothesis?

What is the level of significance?

6) Use Tools – Data Analysis – ANOVA:Single Factor
to find the F statistic:

7) From the ANOVA ooutput: What is the F value?

8) What is the F critical value?

9) What is your decision?

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6051N Discussion 1

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The 1999 landmark study titled “To Err Is Human: Building a Safer Health System” highlighted the unacceptably high incidence of U.S. medical errors and put forth recommendations to improve patient safety. Since its publication, the recommendations in “To Err Is Human’ have guided significant changes in nursing practice in the United States.

In this Discussion, you will review these recommendations and consider the role of health information technology in helping address concerns presented in the report.

To prepare:

  • Review the summary of “To Err Is Human” presented in      the Plawecki and Amrhein article found in this week’s Learning Resources.
  • Consider the following statement:

“The most significant barrier to improving patient safety identified in “To Err Is Human” is a “lack of awareness of the extent to which errors occur daily in all health care settings and organizations (Wakefield, 2008).”

  • Review “The Quality Chasm Series: Implications for      Nursing” focusing on Table 3: “Simple Rules for the 21st Century Health      Care System.” Consider your current organization or one with which you are      familiar. Reflect on one of the rules where the “current rule” is still in      operation in the organization and consider another instance in which the      organization has effectively transitioned to the new rule.

Post your thoughts on how the development of information technology has helped address the concerns about patient safety raised in the “To Err Is Human” report. Summarize how informatics has assisted in improving health care safety in your organization and areas where growth is still needed.

 

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Networking Assignments | Online Homework Help

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You have been hired as part of the networking team at UMUC. After completing orientation and training, your manager calls you into a meeting to discuss your first project. The university has recently leased a single building in Adelphi, Maryland. The building will house faculty and administrative offices, classrooms, a library, and computer labs. Security is important at UMUC, as the university has a responsibility to protect student …

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Compare the U.S. healthcare system with the healthcare system of Great Britain, Japan, Germany, or Switzerland

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Compare the U.S. healthcare system with the healthcare system of Great Britain, Japan, Germany, or Switzerland, It is essential that nurses understand the issues related to healthcare financing, including local, state, and national healthcare policies and initiatives that affect healthcare delivery. As a patient advocate, the professional nurse is in a position to work with […]

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