This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Assume that the correlation coefficient between class attendance and number of problems missed on an ... (Read 195 times)

javeds

  • Hero Member
  • *****
  • Posts: 570
on: Jul 13, 2018
Assume that the correlation coefficient between class attendance and number of problems missed on an exam is (-.77). Which of the following statements regarding this finding is correct?
 
  a. students who had fewer absences answered more questions correctly
   b. students who had more absences answered more questions correctly
  c. a negative correlation value is impossible; there must be a mistake in the calculations
   d. the number of problems answered correctly is below the class mean

Question 2

Assume that within one study the regression equation relating daily saturated fat intake in grams (x) to blood cholesterol level (y) is Y-hat = 130 + 5X. What is the value of the y-intercept for this problem?
 
  a. 1
  b. 5
  c. 130
  d. impossible to determine


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

moormoney

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 13, 2018
Answer to Question 1

A

Answer to Question 2

C


javeds

  • Member
  • Posts: 570
Reply 2 on: Jul 13, 2018
Gracias!

ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
The Circle of Relationship Issues and Sexual Problems The Circle of Relationship Issues and Sexual Problems
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 ...
The Location and Number of Food- and Beverage-Processing Facilities The Location and Number of Food- and Beverage-Processing Facilities
Kids in Dancing Class Training Kids in Dancing Class Training
Table - Correlation Analysis Table - Correlation Analysis
Number line (real numbers) Number line (real numbers)
Video: Facilitated Diffusion - Glucose transport

For a complete list of videos, visit our video library