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Build a linear regression model

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Reference no: EM132399686

Assume you are working with a dataset that has a variable that contains the following 10 "Regions" along with 500 other variables.

  • Region I: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
  • Region II: New Jersey, New York, Puerto Rico, US Virgin Islands
  • Region III: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia
  • Region IV: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee
  • Region V: Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin
  • Region VI: Arkansas, Louisiana, New Mexico, Oklahoma, Texas
  • Region VII: Iowa, Kansas, Missouri, Nebraska
  • Region VIII: Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming
  • Region IX: Arizona, California, Hawaii, Nevada, American Samoa, Guam, Northern Mariana Islands
  • Region X: Alaska, Idaho, Oregon, Washington

Suppose you are to build a linear regression model, and you want to include a "dummy variable" for region. How many dummy variables would be required?

Select one:

a. 50

b. 49

c. 10 

d. 9

Reference no: EM132399686

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