« previous next »

Author Question: A sample of 15 observations has a standard deviation of 4 . The sum of the squared deviations from ... (Read 117 times)

geodog55

  • Hero Member
  • *****
  • Posts: 530
on: Jun 24, 2018
A sample of 15 observations has a standard deviation of 4 . The sum of the squared deviations from the sample mean is:
 a. 19
  b. 56
  c. 60
  d. 224
  e. 240

Question 2

Expressed in percentiles, the interquartile range is the difference between the:
 a. 15th and 65th percentiles
  b. 20th and 70th percentiles
  c. 25th and 75th percentiles
  d. 30th and 80th percentiles
  e. 35th and 85th percentiles


Animal_Goddess

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Standard Model of Elementary Particles Standard Model of Elementary Particles
Standard Alcoholic Drink Sizes Standard Alcoholic Drink Sizes
ROM exercises on a patient’s wrist: ulnar deviation. ROM exercises on a patient’s wrist: ulnar deviation.
Standard Precautions for the Care of all Patients in All Health Care Settings Standard Precautions for the Care of all Patients in All Health Care Settings
Sample of a weekly bookkeeping ledger. Sample of a weekly bookkeeping ledger.
Standard base-pairing relationships Standard base-pairing relationships
Video: Insulin (glucose uptake by body cells), glycogenesis and lipogenesis

For a complete list of videos, visit our video library