« previous next »

Author Question: The estimated standard error of the mean is always used to predict a. sample size b. bias c. ... (Read 67 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?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Standard Medical Record and Types of Reports Found in Record Standard Medical Record and Types of Reports Found in Record
Noid lights are usually purchased as an assortment so that one is available for any type or size ... Noid lights are usually purchased as an assortment so that one is available for any type or size ...
a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments. a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments.
Sample of a weekly bookkeeping ledger. Sample of a weekly bookkeeping ledger.
Sample of a business card design. Sample of a business card design.
Population size Population size
Video: Atrophy

For a complete list of videos, visit our video library