« previous next »

Author Question: The test for the equality of two population variances is based on the: a. difference between the ... (Read 46 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
on: Jun 24, 2018
The test for the equality of two population variances is based on the:
 a. difference between the two sample variances.
  b. ratio of the two sample variances.
  c. sum of the two sample variances.
  d. product of the two sample variances.

Question 2

For which of the following values of the smoothing constant w will the smoothed series catch up most quickly whenever the original time series changes direction?
 a. 0.90 c. 0.40
  b. 0.50 d. 0.10


bob

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

The mark-recapture technique is often used to estimate population size. The mark-recapture technique is often used to estimate population size.
The theoretical design of nature reserves, based on the tenets of island biogeography. The theoretical design of nature reserves, based on the tenets of island biogeography.
Trap set to monitor the wild population in the Dryandra Woodland Trap set to monitor the wild population in the Dryandra Woodland
Rinne test: A. Place the base of the tuning fork on the mastoid process. B. Place tuning fork in fro Rinne test: A. Place the base of the tuning fork on the mastoid process. B. Place tuning fork in fro
Fractures are diagnosed based on an X-ray of the broken bone. Shown here: a comminuted fracture of ... Fractures are diagnosed based on an X-ray of the broken bone. Shown here: a comminuted fracture of ...
Calculation of Joint Probability of a Genotype Based on Seven CODIS STR Markers Calculation of Joint Probability of a Genotype Based on Seven CODIS STR Markers
Video: Barriers - eye structures, digestive mucosa, respiratory mucosa & genitourinary mucosa

For a complete list of videos, visit our video library