« previous next »

Author Question: The mean equals 30. One individual scores at the 26th percentile and has a raw score of 26. What is ... (Read 160 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546
on: Jun 20, 2018
The mean equals 30. One individual scores at the 26th percentile and has a raw score of 26. What is the standard deviation?
 
  What will be an ideal response?

Question 2

A regression coefficient indicates
 
  A) whether the correlation is significant or not.
  B) how many units of change in the predicted value of the criterion variable for each unit of change in the predictor variable.
  C) the accuracy of predictions based on the reduction in squared error as a proportion of the total squared error.
  D) the fixed amount that should be added when making a prediction for any particular person.


emily12345

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jun 20, 2018
Answer to Question 1

SD=6.25

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

cdr_15

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Jun 20, 2018
Thank you


emily12345

  • Sr. Member
  • ****
  • Posts: 321
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Chimpanzees live in complex kin groups in which lifelong bonds and individual personalities play key Chimpanzees live in complex kin groups in which lifelong bonds and individual personalities play key
(a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko (a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko
Results from sequential study of two cohorts tested at three ages and at three different points in t Results from sequential study of two cohorts tested at three ages and at three different points in t
Niche: An individual’s ecological role Niche: An individual’s ecological role
Genome-wide SNP-based heritability for individual behavioral disorders Genome-wide SNP-based heritability for individual behavioral disorders
Obese individual with stretch marks (striae) Obese individual with stretch marks (striae)
Video: Introduction to Sickle Cell Anemia

For a complete list of videos, visit our video library