Author Question: Determine a freshman's likely first-year grade point average from the student's Scholastic Aptitude ... (Read 207 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?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

For a complete list of videos, visit our video library