Author Question: Determine a freshman's likely first-year grade point average from the student's Scholastic Aptitude ... (Read 239 times)

jCorn1234

  • Hero Member
  • *****
  • Posts: 545
Determine a freshman's likely first-year grade point average from the student's Scholastic Aptitude Test (SAT) score, high school grade point average, and number of extra-curricular activities. This is an example of
 a. classification of a categorical outcome.
  b. estimation of a continuous outcome.
  c. prediction of a categorical outcome.
  d. unsupervised learning.

Question 2

Jaccard's coefficient is different from the matching coefficient in that the former
 a. measures overlap while the latter measures dissimilarity.
  b. does not count matching zero entries while the latter does.
  c. deals with categorical variable while the latter deals with continuous variables.
  d. is affected by the scale used to measure variables while the latter is not.



anyusername12131

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

b
RATIONALE: When we predict a freshman's first-year GPA from their SAT score, high school GPA, and number of extra-curricular activities we are using this information to estimate a continuous outcome.

Answer to Question 2

b
RATIONALE: Jaccard's coefficient refers to a measure of similarity between observations consisting solely of binary categorical variables that consider only matches of nonzero entries.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

For a complete list of videos, visit our video library