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

Author Question: A test of sobriety involves measuring the subject's motor skills. Twenty randomly selected sober ... (Read 80 times)

kwoodring

  • Hero Member
  • *****
  • Posts: 560
on: Aug 1, 2018
A test of sobriety involves measuring the subject's motor skills.
 
  Twenty randomly selected sober subjects take the test and produce a mean score of 41.0 with a standard deviation of 3.7. At the 0.01 level of significance, test the claim that the true mean score for all sober subjects is equal to 35.0.

Question 2

If r(20) = +.21, p > .05 for variables X and Y, then the best prediction of a Y score from an X score is .
 
  a. the value of X
  b. the value of X - Y
  c. the value of Y
  d. 1.00


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

prumorgan

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Aug 1, 2018
Answer to Question 1

Test statistic: t = 7.252. Critical values: t = -2.861, 2.861. Reject the null hypothesis. There is sufficient evidence to warrant rejection of the claim that the mean is equal to 35.0.

Answer to Question 2

C


kwoodring

  • Member
  • Posts: 560
Reply 2 on: Aug 1, 2018
Gracias!

shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Measuring the blood ¬pressure. Measuring the blood ¬pressure.
A medical assistant labels the allergens for a patch test. A medical assistant labels the allergens for a patch test.
Procedural memory includes skills that are handed down in a culture from generation to generation. Procedural memory includes skills that are handed down in a culture from generation to generation.
To test the normally open contacts, connect one meter lead to terminal 30 and the other lead to ... To test the normally open contacts, connect one meter lead to terminal 30 and the other lead to ...
Measuring the diagonal conjugate Measuring the diagonal conjugate
A test field of GM papaya A test field of GM papaya
Video: Alzheimer's Disease

For a complete list of videos, visit our video library