« previous next »

Author Question: A sample of n = 16 scores has a mean of M = 65 and an estimated standard error of 2 points. What is ... (Read 56 times)

Diane

  • Hero Member
  • *****
  • Posts: 576
on: Jun 20, 2018
A sample of n = 16 scores has a mean of M = 65 and an estimated standard error of 2 points. What is the sample variance?
 
  a. s2= 64 c. s2 = 16
  b. s2 = 36 d. s2 = 4

Question 2

A sample with a mean of M = 40 and a variance of s2 = 20 has an estimated standard error of 1 point. How many scores are in the sample?
 
  a. 4 c. 20
  b. 5 d. 21


voltaire123

  • Sr. Member
  • ****
  • Posts: 301
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Operant conditioning, also known as trial-and-error learning. Operant conditioning, also known as trial-and-error learning.
Mitosis + Check Points 3 of 5 Mitosis + Check Points 3 of 5
Young adults with low levels of parental support report significantly better scores on measures of ... Young adults with low levels of parental support report significantly better scores on measures of ...
Sample prescriptions of drugs for oral herpes infection. Sample prescriptions of drugs for oral herpes infection.
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
BOILING POINTS BOILING POINTS
Video: Major Elements in Biological Molecules: Carbohydrates

For a complete list of videos, visit our video library