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

Author Question: A traffic officer is compiling information about the relationship between the hour or the day and ... (Read 49 times)

hubes95

  • Hero Member
  • *****
  • Posts: 561
on: Jul 24, 2018
A traffic officer is compiling information about the relationship between the hour or the day and the speed over the limit at which the motorist is ticketed. He computes a correlation coefficient of 0.12. What does this tell the officer?
 
  A) There is a weak positive linear correlation.
  B) There is a moderate positive linear correlation.
  C) There is a moderate negative linear correlation.
  D) There is insufficient evidence to make any conclusions about the relationship between the variables.

Question 2

Suppose you want to test the claim that  > 25.6. Given a sample size of n = 53 and a level of significance of  = 0.01, when should you reject H0?
 
  A) Reject H0 if the standardized test statistic is greater than 2.33.
  B) Reject H0 if the standardized test statistic is greater than 1.96.
  C) Reject H0 if the standardized test statistic is greater than 2.575.
  D) Reject H0 if the standardized test statistic is greater than 1.645.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blfontai

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


hubes95

  • Member
  • Posts: 561
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

bigcheese9

  • Member
  • Posts: 333
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

How genes produce proteins that determine traits in a simple dominant-recessive relationship. How genes produce proteins that determine traits in a simple dominant-recessive relationship.
Relationship between Hox gene number and body complexity in different types of animals. Relationship between Hox gene number and body complexity in different types of animals.
Workers at a Nike factory in Indonesia insert soles into sneakers for fourteen cents an hour. Workers at a Nike factory in Indonesia insert soles into sneakers for fourteen cents an hour.
Relationship Between BMI and % BF Relationship Between BMI and % BF
A close relationship between greenhouse gas emissions and a country’s gross domestic product A close relationship between greenhouse gas emissions and a country’s gross domestic product
Management Information Systems: Managing the Digital Firm, 15th Edition Management Information Systems: Managing the Digital Firm, 15th Edition
Video: Introduction to Sickle Cell Anemia

For a complete list of videos, visit our video library