« previous next »

Author Question: In a hypothesis test which of the following can (and should) be determined before collecting data? ... (Read 134 times)

rayancarla1

  • Hero Member
  • *****
  • Posts: 571
on: Jul 24, 2018
In a hypothesis test which of the following can (and should) be determined before collecting data?
 a. The null and alternative hypotheses.
  b. The value of the test statistic.
  c. The p-value.
  d. Whether the test statistic will be positive or negative.

Question 2

In the population of female students, motivation scores follow a normal distribution with an average of 29 and a standard deviation of 4.3 . A random sample of female students is to be taken. They are all asked to answer the motivation questionnaire so that their motivation scores can be determined. If the sample size is 50, what is the probability that the mean score of the female students in the sample will fall below 27?
 a. < 0.0001
  b. 0.0005
  c. 0.0188
  d. 0.3192


kingfahad97

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Digital rectal exam (DRE). The physician’s index finger is inserted into the rectum and pressed agai Digital rectal exam (DRE). The physician’s index finger is inserted into the rectum and pressed agai
Patient having glaucoma test. Patient having glaucoma test.
The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ... The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ...
Data for a Hypothetical Paternity Test Using 13 CODIS Genes Data for a Hypothetical Paternity Test Using 13 CODIS Genes
Chi-Square Analysis of Mendel’s Trihybrid-Cross Data Chi-Square Analysis of Mendel’s Trihybrid-Cross Data
The Ames test for potential mutagenicity of chemical compounds The Ames test for potential mutagenicity of chemical compounds
Video: Pericarditis

For a complete list of videos, visit our video library