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

Author Question: If the standard deviation of X is 15, the covariance of X and Y is 94.5, and the correlation is ... (Read 59 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
on: Jun 24, 2018
If the standard deviation of X is 15, the covariance of X and Y is 94.5, and the correlation is 0.90, then the variance of Y is 7.0.
 a. True
  b. False
   Indicate whether the statement is true or false

Question 2

The test statistic of the single-factor ANOVA equals:
 a. sum of squares for treatments / sum of squares for error.
  b. sum of squares for error / sum of squares for treatments.
  c. mean square for treatments / mean square for error.
  d. mean square for error / mean square for treatments.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

firehawk60

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jun 24, 2018
Answer to Question 1

FALSE

Answer to Question 2

C


saliriagwu

  • Member
  • Posts: 537
Reply 2 on: Jun 24, 2018
Excellent

kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

The nurse is using Standard Precautions to draw blood. The nurse is using Standard Precautions to draw blood.
Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen. Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen.
Standard precaution guidelines. Additional guidelines/protocols may be utilized depending on the ... Standard precaution guidelines. Additional guidelines/protocols may be utilized depending on the ...
How to quickly find the vertex of a quadratic equation that is in standard form How to quickly find the vertex of a quadratic equation that is in standard form
The Standard Rain Gauge The Standard Rain Gauge
A karyotype arranges the chromosomes in a standard format A karyotype arranges the chromosomes in a standard format
Video: Condensation and Hydrolysis Animation

For a complete list of videos, visit our video library