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 79 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

okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Meta-analysis of 18 studies shows that aerobic exercise causes better performance in older adults on Meta-analysis of 18 studies shows that aerobic exercise causes better performance in older adults on
In early industrialization, children worked alongside adults. They worked 12 hours a day Monday to ... In early industrialization, children worked alongside adults. They worked 12 hours a day Monday to ...
Determination of Steady-State Weight Determination of Steady-State Weight
The first generation of model organisms in genetic analysis The first generation of model organisms in genetic analysis
A solution is 2.25% by weight NaHCO3. How many grams of NaHCO3 are in 250.0 g of solution? A solution is 2.25% by weight NaHCO3. How many grams of NaHCO3 are in 250.0 g of solution?
GENETIC ANALYSIS GENETIC ANALYSIS
Video: Immune responses Animation

For a complete list of videos, visit our video library