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

Author Question: The standard deviation is a measure of a. how far all the scores vary from the mean b. how far ... (Read 35 times)

jazziefee

  • Hero Member
  • *****
  • Posts: 505
on: Jun 20, 2018
The standard deviation is a measure of
 
  a. how far all the scores vary from the mean
  b. how far the middle-most 50 of cases vary from the mean
  c. how far the highest and lowest scores vary from each other
  d. central tendency

Question 2

The regression coefficient in the best linear prediction rule is
 
  A) the product of the sum of the deviation scores on the predictor variable,multiplied by the sum of the deviation scores on the criterion variable, divided by the predictor variable's sum of squared deviations from the mean.
  B) the sum of the products of the deviation scores, divided by the predictor variable's sum of squared deviations from the mean.
  C) the product of the sum of the deviation scores on the predictor variable,multiplied by the sum of the deviation scores on the criterion variable, divided by the criterion variable's sum of squared deviations from the mean.
  D) the sum of the product of the deviation scores, divided by the criterion variable's sum of squared deviations from the mean.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

todom5090

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jun 20, 2018
Answer to Question 1

a

Answer to Question 2

B


jazziefee

  • Member
  • Posts: 505
Reply 2 on: Jun 20, 2018
Wow, this really help

Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

ROM exercises on a patient’s wrist: radial deviation. ROM exercises on a patient’s wrist: radial deviation.
ROM exercises on a patient’s wrist: ulnar deviation. ROM exercises on a patient’s wrist: ulnar deviation.
This mini clamp-on DMM is being used to measure the amount of battery electrical drain that is ... This mini clamp-on DMM is being used to measure the amount of battery electrical drain that is ...
Schematic drawing of a permeation test cell used to measure the permeation rate of chemicals through ... Schematic drawing of a permeation test cell used to measure the permeation rate of chemicals through ...
Ways to Measure Percentage of Body Fat Ways to Measure Percentage of Body Fat
Assume z is a standard normal random variable. What is the value of z if the area to the right ... Assume z is a standard normal random variable. What is the value of z if the area to the right ...
Video: Renal Failure

For a complete list of videos, visit our video library