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

Author Question: A set of n = 25 pairs of scores (X and Y values) has a Pearson correlation of r = 0.80. How much of ... (Read 179 times)

FButt

  • Hero Member
  • *****
  • Posts: 519
on: Jun 20, 2018
A set of n = 25 pairs of scores (X and Y values) has a Pearson correlation of r = 0.80. How much of the variance for the Y scores is predicted by the relationship with X?
 
  A) 0.36 or 36
  B) 0.20 or 20
  C) 0.80 or 80
  D) 0.64 or 64

Question 2

Which of the following is directly addressed by the null hypothesis?
 
  A) The population before treatment
  B) The population after treatment
  C) The sample before treatment
  D) The sample after treatment


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ddddd

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

B


FButt

  • Member
  • Posts: 519
Reply 2 on: Jun 20, 2018
Excellent

triiciiaa

  • Member
  • Posts: 349
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Intradermal drug administration: (a) cross section of skin showing depth of needle insertion Source: Intradermal drug administration: (a) cross section of skin showing depth of needle insertion Source:
Intradermal drug administration: (b) the administration site is prepped Source: Pearson Education/PH Intradermal drug administration: (b) the administration site is prepped Source: Pearson Education/PH
Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat
The Chemical Structure of DNA DNA is composed of nucleotide pairs. The Chemical Structure of DNA DNA is composed of nucleotide pairs.
Common Laboratory Tests and Their Normal Values Common Laboratory Tests and Their Normal Values
Table - Correlation Analysis Table - Correlation Analysis
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library