Author Question: A hypothesis test for the difference between two means is considered a two-tailed test when: A) ... (Read 101 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
A hypothesis test for the difference between two means is considered a two-tailed test when:
 
  A) the population variances are equal.
  B) the null hypothesis states that the population means are equal.
  C) the alpha level is 0.10 or higher.
  D) the standard deviations are unknown.

Question 2

Once you have determined the class width using the formula, high-low divided by the number of classes, it is appropriate to round to the nearest integer to make the analysis easier.
 
  Indicate whether the statement is true or false



Li Jun

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

B

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

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

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

For a complete list of videos, visit our video library