« previous next »

Author Question: Which of the sample sizes below will produce a sampling distribution of the mean that is ... (Read 82 times)

jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
on: Jul 24, 2018
Which of the sample sizes below will produce a sampling distribution of the mean that is approximately normal?
 a. 10
  b. 20
  c. 30
  d. 40
  e. all of these

Question 2

A Marine drill instructor recorded the time in which each of 15 recruits completed an obstacle course both before and after basic training. To test whether any improvement occurred, the instructor would use a t-distribution with 15 degrees of freedom.
  Indicate whether the statement is true or false


maya.nigrin17@yahoo.com

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

F


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 24, 2018
TY


maya.nigrin17@yahoo.com

  • Sr. Member
  • ****
  • Posts: 324
Reply #3 on: Jul 24, 2018
You're welcome


« previous next »
 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

The spatial distribution of trees in three separate stands of different ages on Vancouver Island (da The spatial distribution of trees in three separate stands of different ages on Vancouver Island (da
Sample Problem from Raven’s Progressive Matrices Sample Problem from Raven’s Progressive Matrices
A weather map depicting the sea-level pressure distribution for March 4, 1994. A weather map depicting the sea-level pressure distribution for March 4, 1994.
Portion Sizes Who says you shouldn’t eat with your hands? Portion Sizes Who says you shouldn’t eat with your hands?
Global Distribution of Precipitation Global Distribution of Precipitation
The decay rate of a radioactive sample decreases from 175 kBq to 12.4 kBq in 18.3 s. What is ... The decay rate of a radioactive sample decreases from 175 kBq to 12.4 kBq in 18.3 s. What is ...
Video: Appendicitis Animation

For a complete list of videos, visit our video library