This topic contains a solution. Click here to go to the answer

Author Question: A researcher is conducting a chi-square test for independence to evaluate the relationship between ... (Read 50 times)

rosent76

  • Hero Member
  • *****
  • Posts: 516
A researcher is conducting a chi-square test for independence to evaluate the relationship between gender and preference among three different designs for a new automobile. Each individual in a sample of n = 30 males and n = 30 females selects a favorite design from the three choices. If the researcher obtains a chi-square statistic of 2 = 4.81, what is the appropriate statistical decision for the test?
 
  A) Reject the null hypothesis with  = .05 but not with  = .01.
  B) Reject the null hypothesis with either  = .05 or  = .01.
  C) Fail to reject the null hypothesis with either  = .05 or  = .01.
  D) Fail to reject the null hypothesis with  = .10.

Question 2

A sample has a mean of M = 39.5 and a standard deviation of s = 4.3, and produces a t statistic of t = 2.14. For a two-tailed hypothesis test with  = .05, what is the correct statistical decision for this sample?
 
  A) The researcher can reject the null hypothesis with  = .05 but not with  = .01.
  B) The researcher can reject the null hypothesis with either  = .05 or  = .01.
  C) The researcher must fail to reject the null hypothesis with either  = .05 or  = .01.
  D) It is impossible to make a decision about H0 without more information.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jordangronback

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

C

Answer to Question 2

D




rosent76

  • Member
  • Posts: 516
Reply 2 on: Jun 20, 2018
:D TYSM


adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

For a complete list of videos, visit our video library