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

Author Question: A study published in the American Journal of Public Health was conducted to determine whether the ... (Read 112 times)

sc00by25

  • Hero Member
  • *****
  • Posts: 596
on: Jun 24, 2018
A study published in the American Journal of Public Health was conducted to determine whether the use of seat belts in motor vehicles depends on ethnic status in San Diego County.
 
  A sample of 792 children treated for injuries sustained from motor vehicle accidents was obtained, and each child was classified according to (1 ) ethnic status (Hispanic or non-Hispanic) and (2 ) seat belt usage (worn or not worn) during the accident. The number of children in each category is given in the table below.
 
   Hispanic Non-Hispanic
  Seat belts worn 31 148
  Seat belts not worn 283 330
 
  Referring to these data, which test would be used to properly analyze the data in this experiment?
  A) x2 test for independence in a two-way contingency table
  B) x2 test for equal proportions in a one-way table
  C) ANOVA F-test for interaction in a 2  2 factorial design
  D) x2 goodness-of-fit test

Question 2

The term that is given when two variables are correlated but there is no apparent connection between them is:
 
  A) spontaneous correlation.
  B) random correlation.
  C) spurious correlation.
  D) linear correlation.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kthug

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

C


sc00by25

  • Member
  • Posts: 596
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Gracias!

« previous next »
 

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?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Using a microscope to study the human body Using a microscope to study the human body
A woman in a net on a Congo shore. Although the importation of slaves was illegal after 1807, histor A woman in a net on a Congo shore. Although the importation of slaves was illegal after 1807, histor
A parade for Grover Cleveland in Chicago in 1892, by John Klir. Music, mirth, real drama—a president A parade for Grover Cleveland in Chicago in 1892, by John Klir. Music, mirth, real drama—a president
Mazie Hirono, the first Japanese American woman to be elected a U.S. senator. Mazie Hirono, the first Japanese American woman to be elected a U.S. senator.
Study of human diseases Study of human diseases
The study of how traits such as flower color are passed from generation to generation provided the m The study of how traits such as flower color are passed from generation to generation provided the m
Video: Introduction to Genetics

For a complete list of videos, visit our video library