« previous next »

Author Question: If the Pearson correlation is calculated for a sample of n = 20 individuals, what value for df ... (Read 33 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
on: Jun 20, 2018
If the Pearson correlation is calculated for a sample of n = 20 individuals, what value for df should be used to determine whether or not the correlation is significant?
 
  A) 18
  B) 19
  C) 20
  D) 21

Question 2

For a particular population, a sample of n = 9 scores has a standard error of 8. For the same population, a sample of n = 16 scores would have a standard error of ____.
 
  A) 8
  B) 6
  C) 4
  D) 2


jennafosdick

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

The FDA recognizes 118 routes of administration.

Sample tiered drug formulary for antibiotics. Sample tiered drug formulary for antibiotics.
Sample Advance Directive Sample Advance Directive
Sample Advance Directive Cont. Sample Advance Directive Cont.
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
Sample of a business card design. Sample of a business card design.
The outcome of a mating between individuals heterozygous at two genes determining their ABO blood ty The outcome of a mating between individuals heterozygous at two genes determining their ABO blood ty
Video: Glucose anabolism reactions: Glycogenolysis and Gluconeogenesis

For a complete list of videos, visit our video library