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

Author Question: A regression analysis of hours spent exercising and ounces of weight loss had a slope of 3. We would ... (Read 120 times)

CORALGRILL2014

  • Hero Member
  • *****
  • Posts: 525
on: Jun 20, 2018
A regression analysis of hours spent exercising and ounces of weight loss had a slope of 3. We would predict that
 
  a. for every 1 hour of exercise, a person would lose 3 ounces of weight.
  b. for every ounce lost, a person has to exercise for 7 hours.
  c. every hour of exercise would have no effect on weight.
  d. The slope cannot be used to make predictions, you need the intercept.

Question 2

An example in the text hypothesized that 4 of the variability in life expectancy was accounted for by variability in smoking behavior. The values of r and r2, respectively, are equal to
 
  a. .20 and .04.
  b. .04 and .16.
  c. .04 and .20.
  d. More information is needed.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fromAlphatoOmega22

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

A


CORALGRILL2014

  • Member
  • Posts: 525
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

Dnite

  • Member
  • Posts: 297
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Single-dose drug administration: pharmacokinetic values for this drug are as follows: onset of actio Single-dose drug administration: pharmacokinetic values for this drug are as follows: onset of actio
Sample root cause analysis: Duplicate dose of a narcotic analgesic. Sample root cause analysis: Duplicate dose of a narcotic analgesic.
Modern Systems Analysis and Design (4th Edition) Modern Systems Analysis and Design (4th Edition)
The deadline is in 2 hours somebody can help me, please!!! The deadline is in 2 hours somebody can help me, please!!!
QTL analysis in introgression lines QTL analysis in introgression lines
An example of identification and analysis of conditional alleles An example of identification and analysis of conditional alleles
Video: Cardiac conductile cells

For a complete list of videos, visit our video library