« previous next »

Author Question: Find the margin of error for a 98 confidence interval for the difference in the means of the two ... (Read 93 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?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Causes of Error in Blood Pressure Readings Causes of Error in Blood Pressure Readings
How to factor a trinomial using trail-and-error How to factor a trinomial using trail-and-error
How to find the limits of trigonometry functions How to find the limits of trigonometry functions
How to find the critical numbers of a function How to find the critical numbers of a function
How to solve any percent error problem How to solve any percent error problem
Find the derivative of g(z) = 4z^7 - 3z^-7 + 9z Find the derivative of g(z) = 4z^7 - 3z^-7 + 9z
Video: Gas exchange - driving force

For a complete list of videos, visit our video library