Monday, May 9, 2016
Information Systems 2
Tables: sets of related data
Forms: user-friendly interfaces for entering and viewing data used for entering, modifying, and
viewing records designers can set restrictions on individual form compo
Database Management Systems (DBMS): Software that enables
you to create, store, organize and retrieve data from one or many
databases ( both an application and and systems software)
Database Structure = Design View ; Database Contents =
Starting with last year (2011) as a base, Ram Widget wants to create a 4-year planning model.
Ram has the following expenses:
Cost of Goods Sold
Sales Revenue for 2011 was $360,000 and Cost
1. A) Null Hypothesis: = .06, 6% of vacation home owners are minorities
Alternate Hypothesis: .06, the percentage of minority home owners is greater than
b) I chose a z test for the proportion since the example deals with a proportion of a
Multiple R 0.9900204
R Square 0.9801404
Adjusted R Square
R e s id ua ls
Rate% Residual Plot
1 19.101957 19.10
3a) Null Hypothesis: 5, the mean amount of weight loss is no less than 5 lbs.
Alternate Hypothesis: < 5, the mean amount of weight loss is less than 5 lbs.
b) I used a t-test for finding the value of a population mean since the population standard
The Write Stuff, Inc.
Monthly Sales and Analysis Report
Raisa Ahmed Section RTF
July 2013 Sales
August 2013 Target
August 2013 Sales %
Tsevdos 1 Evangelos Tsevdos Evangelos Katsamakas Information Systems September 23, 2009
Microsoft unleashed a new search engine, called Bing on May 28, 2009 to rival Google in the search engine industry. Although both search engines are similar in how the