Author Question: A researcher who is evaluating the significance of a multiple regression equation with two predictor ... (Read 133 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?

Thyroid conditions may make getting pregnant impossible.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

For a complete list of videos, visit our video library