This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Measures of variability describe the A. spread of scores in a distribution B. central tendency ... (Read 87 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
on: Jun 22, 2018
Measures of variability describe the
 
  A. spread of scores in a distribution
  B. central tendency of a distribution of scores
  C. reliability of an assessment instrument
  D. validity of an assessment instrument

Question 2

In a normal distribution, represented by a bell-shaped curve, the largest percentage of scores falls between
 
  A. 0 and 1 standard deviation from the mean
  B. 1 and 2 standard deviations from the mean
  C. 2 and 3 standard deviations from the mean
  D. 3 and 4 standard deviations from the mean
  E. unknown; it is impossible to determine from the information presented


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jennafosdick

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 22, 2018
Answer to Question 1

A

Answer to Question 2

A


sdfghj

  • Member
  • Posts: 552
Reply 2 on: Jun 22, 2018
Excellent

alexanderhamilton

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

The small-scale distribution of different tree species in a Douglas-fir forest is determined by both The small-scale distribution of different tree species in a Douglas-fir forest is determined by both
Analogy for Cepheid Variability Analogy for Cepheid Variability
Karst Distribution Karst Distribution
Prevalence and Sex Distribution of Top 10 Autoimmune Diseases Diagnosed in the United States Prevalence and Sex Distribution of Top 10 Autoimmune Diseases Diagnosed in the United States
A culex tarsalis mosquito, a common vector of the spread of West Nile virus. A culex tarsalis mosquito, a common vector of the spread of West Nile virus.
The Central and Peripheral Nervous System The Central and Peripheral Nervous System
Video: Introduction to Spirometry

For a complete list of videos, visit our video library