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

Author Question: In testing the difference between two population means for which the population variances are ... (Read 79 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
In testing the difference between two population means for which the population variances are unknown and not assumed to be equal, two independent samples are drawn from the populations. Which of the following tests is appropriate?
 a. z-test c. unequal variances t-test
  b. pooled-variances t-test d. None of these choices.

Question 2

We calculate the three-period moving average for a time series for all time periods except the first period.
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Benayers

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

C

Answer to Question 2

F




awywial

  • Member
  • Posts: 577
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review


softEldritch

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

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.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

For a complete list of videos, visit our video library