Author Question: Determine a freshman's likely first-year grade point average from the student's Scholastic Aptitude ... (Read 153 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?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

For a complete list of videos, visit our video library