« previous next »

Author Question: A set of normally distributed scores has a mean equal to 75 with a standard deviation equal to 25. ... (Read 31 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
on: Jun 20, 2018
A set of normally distributed scores has a mean equal to 75 with a standard deviation
  equal to 25. If a score equals 25, then Zobs for this score is _____ .
 
  a. -1.0
   b. -2.0
  c. -3.0
  d. cannot determine without knowing sample size

Question 2

The set of scores 50, 51, 54, 55, 57, 59, 60, 62, 64 _____ .
 
  a. is multimodal
  b. is unimodal
  c. is bimodal
   d. has no mode


tmlewis4706

  • Sr. Member
  • ****
  • Posts: 295
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Deviation of Normal Posture Deviation of Normal Posture
Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen. Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen.
Iowa Gambling Task Scores Across Age Iowa Gambling Task Scores Across Age
Three standard sizes of cuffs: a small cuff for a child or frail adult; a normal-sized adult cuff; ... Three standard sizes of cuffs: a small cuff for a child or frail adult; a normal-sized adult cuff; ...
. In which distribution is the mean more “typical” of all scores? . In which distribution is the mean more “typical” of all scores?
Write the following in standard form Write the following in standard form
Video: Acid-base imbalances - compensation of respiratory acidosis and alkalosis

For a complete list of videos, visit our video library