« previous next »

Author Question: Find the margin of error for a 98 confidence interval for the difference in the means of the two ... (Read 78 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
on: Jun 24, 2018
Find the margin of error for a 98 confidence interval for the difference in the means of the two populations.
 
  A) 8.50
  B) 19.86
  C) 15.77
  D) 12.58

Question 2

Which statistical technique is appropriate when we wish to analyze the relationship between two qualitative variables with two or more categories?
 
  A) The chi-square test of a multinomial experiment
  B) The chi-square test of a contingency table
  C) The t-test of the difference between two means
  D) The z test of the difference between two proportions


aadams68

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

How to find the derivatives of inverse trigonometric functions (Part 1) How to find the derivatives of inverse trigonometric functions (Part 1)
How to find the limit of a function using delta and epsilon How to find the limit of a function using delta and epsilon
How to find the equation of a line passing through two points How to find the equation of a line passing through two points
Find the derivative of g(z) = 4z^7 - 3z^-7 + 9z Find the derivative of g(z) = 4z^7 - 3z^-7 + 9z
Find derivative using product rule Find derivative using product rule
Someone help me find the x intercepts Someone help me find the x intercepts
Video: Hormones and the menstrual cycle Animation

For a complete list of videos, visit our video library