« previous next »

Author Question: The rejection region for testing H0: = 80 vs. H1: < 80, at the 0.10 level of significance is: ... (Read 36 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
on: Jun 24, 2018
The rejection region for testing H0:  = 80 vs. H1:  < 80, at the 0.10 level of significance is:
 a. z > 1.96
  b. z < 0.90
  c. z > 1.28
  d. z < -1.28

Question 2

In a normal approximation to the Wilcoxon rank sum test, the standardized test statistic is calculated as z = 1.96 . For a two-tail test, the p-value of the test is 0.025.
  Indicate whether the statement is true or false


akemokai

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

T


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Visual Acuity Testing, Snellen Vision Chart Visual Acuity Testing, Snellen Vision Chart
Near Vision Testing with the Rosenbaum Pocket Vision Screener Near Vision Testing with the Rosenbaum Pocket Vision Screener
Stand in a doorway and hook your fingertips on both sides about chest level or lower. Stand in a doorway and hook your fingertips on both sides about chest level or lower.
Testing fuel-pump volume using a fuelpressure gauge with a bleed hose inserted into a suitable ... Testing fuel-pump volume using a fuelpressure gauge with a bleed hose inserted into a suitable ...
Testing the strength of the sternocleidomastoid muscle against resistance Testing the strength of the sternocleidomastoid muscle against resistance
Testing distant vision Testing distant vision
Video: How Hemoglobin Picks Up and Delivers Oxygen

For a complete list of videos, visit our video library