« previous next »

Author Question: What is the standard error of the difference? a. The standard deviation of the sample means b. ... (Read 111 times)

panfilo

  • Hero Member
  • *****
  • Posts: 572
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

c

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

The difference between AZT-sensitive versus AZT-resistant reverse transcriptases The difference between AZT-sensitive versus AZT-resistant reverse transcriptases
Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ... Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ...
Sample Checklist of Opening and Closing Duties Sample Checklist of Opening and Closing Duties
Sample tiered drug formulary for antibiotics. Sample tiered drug formulary for antibiotics.
Difference Between Solar and Sidereal Day Difference Between Solar and Sidereal Day
A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ... A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ...
Video: Dietary Cholesterol & LDL

For a complete list of videos, visit our video library