This topic contains a solution. Click here to go to the answer

Author Question: The standard deviation is a measure of a. how far all the scores vary from the mean b. how far ... (Read 54 times)

jazziefee

  • Hero Member
  • *****
  • Posts: 505
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
Answer to Question 1

a

Answer to Question 2

B




jazziefee

  • Member
  • Posts: 505
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review


rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

For a complete list of videos, visit our video library