« previous next »

Author Question: The effects of sample size can be corrected for by taking the SSXY value for variables X and Y and ... (Read 55 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
on: Jun 29, 2018
The effects of sample size can be corrected for by taking the SSXY value for variables X and Y and _______________ to calculate the covariance..
 a. subtracting the mean of the variable
  b. dividing it by the degrees of freedom of the sample
  c. dividing it by the standard deviations of X and Y
  d. using a chi-square test

Question 2

In hypothesis testing, the symbol typically used to specify the significance level of the test is .
 
 Indicate whether the statement is true or false


angrybirds13579

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jun 29, 2018
Answer to Question 1

B
SSXY = ; it is divided by the degrees of freedom to calculate the covariance.

Answer to Question 2

F
It is .


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Species richness increases with island size. Species richness increases with island size.
Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski
The Effect of Group Size on Relationships The Effect of Group Size on Relationships
Selected Neurotransmitters: Effects and Clinical Applications Selected Neurotransmitters: Effects and Clinical Applications
Sample prescriptions of drugs for oral herpes infection. Sample prescriptions of drugs for oral herpes infection.
Neck stretch. Rest the receiver’s head on the palm of your right hand, taking a firm hold on the ... Neck stretch. Rest the receiver’s head on the palm of your right hand, taking a firm hold on the ...
Video: Ventilation - phases and driving forces

For a complete list of videos, visit our video library