« previous next »

Author Question: The estimated standard error of the mean is always used to predict a. sample size b. bias c. ... (Read 59 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
on: Jun 20, 2018
The estimated standard error of the mean is always used to predict
 
  a. sample size
  b. bias
  c. central tendency
  d. the variability of the distribution of sample means

Question 2

An item would be considered extremely difficult if it had a difficulty
  index of
 
  a. .99
  b. .50
  c. .01
  d. none of these, since item difficulty is not a quantified value.


Ptupou85

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jun 20, 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?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Sample Program for Changing Daily Caloric Intake (cont.) Sample Program for Changing Daily Caloric Intake (cont.)
Sample purchase order form. Sample purchase order form.
Performance of a delayed nonmatching-to-sample trial. Performance of a delayed nonmatching-to-sample trial.
Europe’s Size and Location Europe’s Size and Location
Some Standard Shapes of Greek Vessels Some Standard Shapes of Greek Vessels
Sample hypnograms of children, young adults, and older adults Sample hypnograms of children, young adults, and older adults
Video: Role of the urinary system - acidosis and alkalosis

For a complete list of videos, visit our video library