This topic contains a solution. Click here to go to the answer

Author Question: The OLS estimator is derived by A) connecting the Yi corresponding to the lowest Xi observation ... (Read 123 times)

Kikoku

  • Hero Member
  • *****
  • Posts: 540
The OLS estimator is derived by
 
  A) connecting the Yi corresponding to the lowest Xi observation with the Yi corresponding to the highest Xi observation.
  B) making sure that the standard error of the regression equals the standard error of the slope estimator.
  C) minimizing the sum of absolute residuals.
  D) minimizing the sum of squared residuals.

Question 2

Comparing the California test scores to test scores in Massachusetts is appropriate for external validity if
 
  A) Massachusetts also allowed beach walking to be an appropriate P.E. activity.
  B) the two income distributions were very similar.
  C) the student-to-teacher ratio did not differ by more than five on average.
  D) the institutional settings in California and Massachusetts, such as organization in classroom instruction and curriculum, were similar in the two states.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cclemon1

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

Answer: D

Answer to Question 2

Answer: D





 

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

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.

For a complete list of videos, visit our video library