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 141 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?

Thyroid conditions may make getting pregnant impossible.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Abiotic factors influence population densities. Abiotic factors influence population densities.
Human Population Blasts Off Human Population Blasts Off
Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of
World Population Growth World Population Growth
Human Population Growth Human Population Growth
Video: Mendel's pea plant, Pisum sativum experimental

For a complete list of videos, visit our video library