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

Author Question: A teacher determines that the correlation between eating breakfast and doing well on the test is ... (Read 99 times)

Tirant22

  • Hero Member
  • *****
  • Posts: 532
on: Jul 31, 2018
A teacher determines that the correlation between eating breakfast and doing well on the test is zero. This means:
 
  a. a perfect correlation exists
  b. there is an absence of a correlation
  c. a negative correlation exists
  d. the correlation cannot be determined

Question 2

If the researcher knows that the mean is 60 and the standard deviation is 6, then the majority of the scores falling between +1 or -1 standard deviation of the mean fall between:
 
  a. 60 and 66
  b. 54 and 60
  c. 54 and 66
  d. Not enough information is provided


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ktidd

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 31, 2018
Answer to Question 1

b

Answer to Question 2

c


Tirant22

  • Member
  • Posts: 532
Reply 2 on: Jul 31, 2018
Excellent

shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Gracias!

« previous next »
 

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.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Guinea pig being injected to test a chemical for its carcinogenic properties Guinea pig being injected to test a chemical for its carcinogenic properties
A medical assistant performs a spirometry test using electronic health record software. A medical assistant performs a spirometry test using electronic health record software.
An example of an EHR screen used to order a laboratory test. An example of an EHR screen used to order a laboratory test.
Trace showing the Inspection/Maintenance 240 test. The test duplicates an urban test loop around Los ... Trace showing the Inspection/Maintenance 240 test. The test duplicates an urban test loop around Los ...
The experimental design and results of Lester and Gorzalka (1988). On the third test, the female ... The experimental design and results of Lester and Gorzalka (1988). On the third test, the female ...
The Global Positioning System determines the location of an object from its distances to ... The Global Positioning System determines the location of an object from its distances to ...
Video: Diversity of Living Creatures - Charles Darwin & the Beagle's Voyage

For a complete list of videos, visit our video library