« previous next »

Author Question: Which of the following correlations would allow the most accurate prediction of Y if we knew the ... (Read 160 times)

panfilo

  • Hero Member
  • *****
  • Posts: 572
on: Jun 19, 2018
Which of the following correlations would allow the most accurate prediction of Y if we knew the exact value of X? A correlation of r = _____.
 
  a. -0.98 c. +.67
  b. +0.26 d. 0.00

Question 2

What is the value of 0.05 rounded to one decimal place?
 
  a. 0.0 c. 0.2
  b. 0.1 d. 0.5


Cheesycrackers

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jun 19, 2018
Answer to Question 1

A
The closer a correlation is to positive or negative one, the better its predictive value.

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Helping maintain accurate patient records is a critical part of the medical assistant's work. Helping maintain accurate patient records is a critical part of the medical assistant's work.
Correlations on tests for a number of cognitive abilities are higher for monozygotic twin pairs (who ... Correlations on tests for a number of cognitive abilities are higher for monozygotic twin pairs (who ...
Rank-order correlations show that differential consistency remains high from childhood through late ... Rank-order correlations show that differential consistency remains high from childhood through late ...
This depiction breaks stereotypes, but is historically accurate. Shown here is an Iroquois fort. Can ... This depiction breaks stereotypes, but is historically accurate. Shown here is an Iroquois fort. Can ...
Correlations between scores on a psychology test and number of boiled kumquats eaten per month Correlations between scores on a psychology test and number of boiled kumquats eaten per month
A graphical representation of correlations in IQ measurements in different sets of individuals. The A graphical representation of correlations in IQ measurements in different sets of individuals. The
Video: Introduction to Breast Cancer

For a complete list of videos, visit our video library