Author Question: What is the standard error of the difference? a. The standard deviation of the sample means b. ... (Read 77 times)

panfilo

  • Hero Member
  • *****
  • Posts: 572
What is the standard error of the difference?
 
  a. The standard deviation of the sample means
  b. The standard deviation of the sampling distribution of the mean
  c. The standard deviation of the sampling distribution of differences between means
  d. The pooled standard deviation from the populations from which the samples are drawn

Question 2

What is pooled variance?
 
  a. The weighted average of the sample variances
  b. The variance of the difference between the sample means
  c. The sum of the two sample variances
  d. The variance of the populations from which the samples were drawn



mirabriestensky

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

c

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

For a complete list of videos, visit our video library