This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A sample size of 25 provides a sample variance of 400. The standard error, in this case equal to 4, ... (Read 64 times)

Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
on: Jun 24, 2018
A sample size of 25 provides a sample variance of 400. The standard error, in this case equal to 4, is best described as the estimate of the standard deviation of means calculated from sample sizes of 25.
 
  Indicate whether the statement is true or false

Question 2

The true length of boards cut at a mill with a listed length of 10 feet is normally distributed with a mean of 123 inches and a standard deviation of 1 inch. What proportion of the boards will be between 121 and 124 inches?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ErinKing

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jun 24, 2018
Answer to Question 1

TRUE

Answer to Question 2

0.8186 using Excel or 0.8185


Sportsfan2111

  • Member
  • Posts: 585
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

vickybb89

  • Member
  • Posts: 347
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

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?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Key anatomical features of Homo habilis include reduced facial size, a parabolic palate, and some br Key anatomical features of Homo habilis include reduced facial size, a parabolic palate, and some br
Sample new patient registration form. Sample new patient registration form.
Contrasting eukaryotic and prokaryotic cells in size and complexity Contrasting eukaryotic and prokaryotic cells in size and complexity
How to fully analyze the standard and factored form of a quadratic equation (Question 1) How to fully analyze the standard and factored form of a quadratic equation (Question 1)
The Plunger and Barrel of a Standard Syringe The Plunger and Barrel of a Standard Syringe
The chromosome locations for BRCA1 and BRCA2. Together, these genes account for the majority of case The chromosome locations for BRCA1 and BRCA2. Together, these genes account for the majority of case
Video: Atrial natriuretic peptide (vasodilation) & Aldosterone

For a complete list of videos, visit our video library