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

Author Question: The confidence interval for the difference between two population means that are normally ... (Read 84 times)

Marty

  • Hero Member
  • *****
  • Posts: 553
on: Jun 24, 2018
The confidence interval for the difference between two population means that are normally distributed where the population variances are unknown and are not assumed to be equal rely on the use of:
 
  A) the average sample variance.
  B) the estimated sample variance.
  C) Satterthwaite's approximation.
  D) the pooled variance.

Question 2

Determine the slope of the least squares regression line.
 
  A) 10.48
  B) 18.05
  C) 3.57
  D) 0.46


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Expo

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

D


Marty

  • Hero Member
  • *****
  • Posts: 553
Reply #2 on: Jun 24, 2018
Thank you


Expo

  • Sr. Member
  • ****
  • Posts: 351
Reply #3 on: Jun 24, 2018
No problemo


« previous next »
 

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Population Pyramids Population Pyramids
Population and Settlement Population and Settlement
Population size, 1970 - 2050 Population size, 1970 - 2050
The developing and emerging nations have high rates of population growth The developing and emerging nations have high rates of population growth
Difference Between Solar and Sidereal Day Difference Between Solar and Sidereal Day
Human Population Growth Human Population Growth
Video: Introduction to Herpes

For a complete list of videos, visit our video library