Author Question: A researcher who is evaluating the significance of a multiple regression equation with two predictor ... (Read 117 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
A researcher who is evaluating the significance of a multiple regression equation with two predictor variables obtains an F-ratio with df = 2, 24. How many individuals were needed to produce the sample data used to find the regression equation?
 
  A) 24
  B) 25
  C) 26
  D) 27

Question 2

A researcher administers a treatment to a sample of participants selected from a population with  = 80. If the researcher obtains a sample mean of M = 88, given the same alpha level, which combination of factors is most likely to result in rejecting the null hypothesis?
 
  A)  = 5 and n = 25
  B)  = 5 and n = 50
  C)  = 10 and n = 25
  D)  = 10 and n = 50



olderstudent

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

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

For a complete list of videos, visit our video library