Author Question: The null hypothesis from a two-tailed z-test with a population mean of 100 is _____. a. = 100 ... (Read 43 times)

renzo156

  • Hero Member
  • *****
  • Posts: 526
The null hypothesis from a two-tailed z-test with a population mean of 100 is _____.
 
  a.  = 100
  b.   100
  c.  = 0
  d.   0

Question 2

In experimental research, the independent variable is
 
  a. the response made by the subject
  b. the group receiving the placebo
  c. actively manipulated by the experimenter
  d. the control group



jennafosdick

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

a

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

For a complete list of videos, visit our video library