« previous next »

Author Question: Find the margin of error for a 98 confidence interval for the difference in the means of the two ... (Read 87 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?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

School-age children are often independent and industrious, with a developing sense of self-confidenc School-age children are often independent and industrious, with a developing sense of self-confidenc
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
How to Factor a Sum or Difference of Two Cubes How to Factor a Sum or Difference of Two Cubes
Difference of Squares Difference of Squares
How to find the possible equations of a graph? How to find the possible equations of a graph?
Find all t1, t2, t3 ∈ R such that Find all t1, t2, t3 ∈ R such that
Video: Dissociative Disorders (Part 2)

For a complete list of videos, visit our video library