« previous next »

Author Question: A set of normally distributed scores has a mean equal to 75 with a standard deviation equal to 25. ... (Read 63 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?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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.
First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl
Summary of Standard Precautions Summary of Standard Precautions
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.
How to fully analyze the standard and factored form of a quadratic equation (Question 1) How to fully analyze the standard and factored form of a quadratic equation (Question 1)
Video: hGH (protein synthesis, growth and development)

For a complete list of videos, visit our video library