« previous next »

Author Question: The variance is equal to the _____. a. absolute value of the standard deviation b. squared value ... (Read 73 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
on: Jun 24, 2018
The variance is equal to the _____.
 a. absolute value of the standard deviation
  b. squared value of the standard deviation
  c. square root of the standard deviation
  d. inverse value of the standard deviation

Question 2

There are 8,000 students at the University of Tennessee at Chattanooga. The average age of all the students is 24 years with a standard deviation of 9 years. A random sample of 36 students is selected.
 a. Determine the standard error of the mean.
  b. What is the probability that the sample mean will be larger than 19.5?
  c. What is the probability that the sample mean will be between 25.5 and 27 years?


Danny Ewald

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

a. 1.5
b. 0.9986
c. 0.1359


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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.

Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae
Understanding Food Claims Not all label claims are created equal! Understanding Food Claims Not all label claims are created equal!
Kepler’s Law of Equal Areas Kepler’s Law of Equal Areas
The Plunger and Barrel of a Standard Syringe The Plunger and Barrel of a Standard Syringe
A(n) _____ is a spur-of-the-moment question. Fill in the blank(s) with correct word A(n) _____ is a spur-of-the-moment question. Fill in the blank(s) with correct word
The expected value for a binomial probability distribution is _____. The expected value for a binomial probability distribution is _____.
Video: Prone Position

For a complete list of videos, visit our video library