« previous next »

Author Question: The only time the range may equal zero, is when a. the standard deviation is less than 1.00 b. ... (Read 49 times)

soccerdreamer_17

  • Hero Member
  • *****
  • Posts: 552
on: Jun 20, 2018
The only time the range may equal zero, is when
 
  a. the standard deviation is less than 1.00
  b. every score in the distribution is the same
  c. the standard deviation is negative
  d. the interdecile range is skewed to the left

Question 2

Advanced topic: What does it mean when SSTotal minus SSError equals zero?
 
  A) This is the best caseit means there is zero error.
  B) This is the worst caseit means the prediction model has reduced zero error.
  C) The proportionate reduction in error is 50.
  D) The underlying correlation is negative.


hramirez205

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 20, 2018
Answer to Question 1

b

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

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

DNA replication is the basis for the perpetuation of life through time DNA replication is the basis for the perpetuation of life through time
Primates exhibit prolonged life histories, spending more time in each stage of life than most other Primates exhibit prolonged life histories, spending more time in each stage of life than most other
Time Estimates for Specific Office Procedures Cont. Time Estimates for Specific Office Procedures Cont.
Standard Laboratory Lipid Profiles Standard Laboratory Lipid Profiles
Use two hands to squeeze both sides of the arm at the same time. Apply from shoulder to wrist. ... Use two hands to squeeze both sides of the arm at the same time. Apply from shoulder to wrist. ...
Jim Croce - Time in a bottle - 1973 Jim Croce - Time in a bottle - 1973
Video: Gastrin (protein digestion)

For a complete list of videos, visit our video library