This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If the null hypothesis is true, then the alternative hypothesis _____. a. must also be true c. ... (Read 145 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
on: Jun 19, 2018
If the null hypothesis is true, then the alternative hypothesis _____.
 
  a. must also be true c. might be true
  b. cannot be true d. cannot say

Question 2

If my alternative hypothesis states that people who practice the task for 30 minutes before being tested will perform differently than people who get no practice prior to being tested, then my null hypothesis will state that _____.
 
  a. people who get no practice before the test will do better than those who practice
  b. people who get no practice before the test will do worse than those who get practice
  c. people who get no practice will perform no differently than those who get practice
  d. people who get no practice will perform differently than those who get practice


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ngr69

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jun 19, 2018
Answer to Question 1

B
The null and alternative hypotheses are mutually exclusive. If one is true the other cannot be true.

Answer to Question 2

C
The null hypothesis states that no effect will occur when the independent variable is manipulated.


jman1234

  • Member
  • Posts: 560
Reply 2 on: Jun 19, 2018
Wow, this really help

31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Pressure-flow hypothesis for phloem transport Pressure-flow hypothesis for phloem transport
Living in groups and the many eyes hypothesis. Living in groups and the many eyes hypothesis.
Tropomyosin gene organization (rat) and seven alternative splicing pathways Tropomyosin gene organization (rat) and seven alternative splicing pathways
Possible mechanisms for alternative splicing by splice-site selection Possible mechanisms for alternative splicing by splice-site selection
Alternative technique for palpating the thyroid Alternative technique for palpating the thyroid
Alternative splicing of the CT/CGRP gene transcript Alternative splicing of the CT/CGRP gene transcript
Video: Sigmoidoscopy

For a complete list of videos, visit our video library