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 38 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
Wow, this really help

smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

A male Lestes dryas in the "spread-winged" posture that gives the family its common name A male Lestes dryas in the "spread-winged" posture that gives the family its common name
The central roles of ATP and NAD(P)H in metabolism The central roles of ATP and NAD(P)H in metabolism
Phylogenetic tree based on the distribution of 120 alleles in 42 populations from around the world, Phylogenetic tree based on the distribution of 120 alleles in 42 populations from around the world,
Generalized scheme showing the contribution of absorption, distribution, metabolism, elimination, ... Generalized scheme showing the contribution of absorption, distribution, metabolism, elimination, ...
Describe how fat is digested, absorbed, and transported in the body Describe how fat is digested, absorbed, and transported in the body
Describe the Conceptual Forecasting Framework in your own words. Describe the Conceptual Forecasting Framework in your own words.
Video: Coronary Heart Disease

For a complete list of videos, visit our video library