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

Author Question: If we are testing for the difference between the means of two independent populations with equal ... (Read 89 times)

Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
on: Jun 24, 2018
If we are testing for the difference between the means of two independent populations with equal variances, samples of n1 = 15 and n2 = 15 are taken, then the number of degrees of freedom is equal to
 a. 13 c. 28
  b. 14 d. 29

Question 2

Random variation is one of the four different components of a time series. It is caused by irregular and unpredictable changes in a time series that are not caused by any other component. It tends to mask the existence of the other more predictable components.
  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

Tabitha_2016

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

T


Sportsfan2111

  • Member
  • Posts: 585
Reply 2 on: Jun 24, 2018
Excellent

milbourne11

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

The difference between AZT-sensitive versus AZT-resistant reverse transcriptases The difference between AZT-sensitive versus AZT-resistant reverse transcriptases
Independent assortment of chromosomes at meiosis explains Mendel’s ratio Independent assortment of chromosomes at meiosis explains Mendel’s ratio
Primary aging means changes in hair color and skin texture for almost everyone. Primary aging means changes in hair color and skin texture for almost everyone.
Sensitivity Testing Sensitivity Testing
Testing the client’s ability to feel vibrations, the knee Testing the client’s ability to feel vibrations, the knee
Testing for costovertebral tenderness Testing for costovertebral tenderness
Video: Carbohydrate digestion (brush border enzymes, end products) & Carb absorption (fructose, galactose)

For a complete list of videos, visit our video library