Author Question: When the sample sizes are equal, the pooled variance of the two samples is the ____________________ ... (Read 134 times)

charchew

  • Hero Member
  • *****
  • Posts: 579
When the sample sizes are equal, the pooled variance of the two samples is the ___________________ _ of the two sample variances.
 Fill in the blank(s) with correct word

Question 2

The time series component that reflects the irregular changes in a time series that are not caused by any other component, and tends to hide the existence of the other more predictable components, is called random variation.
  Indicate whether the statement is true or false



kmb352

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

average

Answer to Question 2

T



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

For a complete list of videos, visit our video library