BA215 Bus Stat Assign Wk1

Dec 9th, 2014
DreamIt
Category:
Business & Finance
Price: $10 USD

Question description

Assignment Week 1

Question 1

1. Determine which of the following statements is descriptive in nature and which is inferential. Refer to the data below in How Old is My Fish?

How Old is My Fish
Average age by length of largemouth bass in new York State
Length891011121314
Age2334455

a. All 9-inch largemouth bass in New York State are an average of 3 years old.

b. Of the largemouth bass used in the sample to make up the NYS DEC Freshwater Fishing Guide, the average age of 9-inch largemouth bass was 3 years.

In your answer also describe and explain the difference between descriptive statistics and inferential statistics.

Question 2

2. Since 1981, Fortune magazine has been tracking what they judge to be the “best 100 companies to work for.” The companies must be at least ten years old and employ no less than 500 people. Below are the top 25 from the list compiled in 1998, together with each company’s percentage of females, percentage of job growth over a 2 year span, and number of hours of professional training required each year by the employer.

Company NameWomen (%)Job Growth (%)Training (hr/yr) 
Southwest Airlines552615
Kingston Technology4854100
SAS Institute533432
FEL-Pro361060
TDIndustries103140
MBNA584848
W.L.Gore432627
Microsoft29228
Merck522440
Hewlett-Packard37100
Synovus Financial652313
Goldman Sachs401320
MOOG191725
DeLoitte & Touche452370
Corning38980
Wegmans Food Products54330
Harley-Davidson221550
Federal Express321140
Proctor & Gamble40125
Peoplesoft441220
First Tennessee Bank70160
J.M. Smucker48124
Granite Rock172943
Petagonia52562
Cisco Systems2518980

a. Find the mean, range, variance, and standard deviation for each of the three variables shown in the list. Present your results in a table.

b. Using your results from (a), compare the distributions for job growth percentage and percentage of women employed. What can you conclude?

Grading Criteria AssignmentsMaximum Points
Meets or exceeds established assignment criteria40
Demonstrates an understanding of lesson concepts20
Clearly present well-reasoned ideas and concepts30
Mechanics, punctuation, sentence structure, spelling that affects clarity, and citation of sources as needed           10
Total100

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