« previous next »

Author Question: A two-tailed hypothesis test is performed at the = 0.05 level. A critical value of z(0.025) = 1.96 ... (Read 125 times)

mspears3

  • Hero Member
  • *****
  • Posts: 586
on: Jul 24, 2018
A two-tailed hypothesis test is performed at the  = 0.05 level. A critical value of z(0.025) = 1.96 is used to assess the significance of a test statistic, z = -1.81. Which is the correct inference?
  1.Fail to reject the null hypothesis
  2.Reject the null hypothesis

Question 2

What is the critical value for a one-tailed z-test for an alternative hypothesis that is stated as a less than at the  = 0.02 level?
  1.-2.33
  2.-2.05
  3.2.33
  4.2.05


jharrington11

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jul 24, 2018
Answer to Question 1

1

Answer to Question 2

2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Nuclear division at the DNA level Nuclear division at the DNA level
Earthquakes—Another Test For Plate Tectonics Earthquakes—Another Test For Plate Tectonics
Correctly administering and interpreting an intelligence test is a skill that takes many years for ... Correctly administering and interpreting an intelligence test is a skill that takes many years for ...
Mantoux tuberculin skin test. Mantoux tuberculin skin test.
Sit-and-Reach Test for Overall Flexibility. Sit-and-Reach Test for Overall Flexibility.
Changes in the Level of Education, 1975-2010 Changes in the Level of Education, 1975-2010
Video: How does an animal choose what food to eat?

For a complete list of videos, visit our video library