This topic contains a solution. Click here to go to the answer

Author Question: The estimated population variance is defined as the sum of the _____ . a. squared differences of ... (Read 96 times)

strangeaffliction

  • Hero Member
  • *****
  • Posts: 660
The estimated population variance is defined as the sum of the _____ .
 
  a. squared differences of each score from the mean of a distribution divided by the
  sample size
  b. differences of each score from the mean of a distribution divided by the sample
  size
   c. squared differences of each score from the mean of a distribution divided by the
  sample size minus one
  d. differences of each score from the mean of a distribution divided by the sample
  size minus one

Question 2

When an observed difference between two groups on the dependent variable is attributed to the effect of the independent variable through statistical hypothesis testing, then we know that ______ .
 
  a. it is unlikely that the difference would occur by chance alone
  b. the raw data have been refined
  c. the groups were not equivalent before the independent variable was introduced
  d. it is likely that the difference would occur by chance alone



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

raenoj

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

C

Answer to Question 2

A




strangeaffliction

  • Member
  • Posts: 660
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)


kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

For a complete list of videos, visit our video library