This topic contains a solution. Click here to go to the answer

Author Question: The __________ sum of squares measures the variation within samples. Fill in the blank(s) with ... (Read 33 times)

nelaaney

  • Hero Member
  • *****
  • Posts: 560
The __________ sum of squares measures the variation within samples.
 
  Fill in the blank(s) with correct word

Question 2

A recent survey found that 80 of all adults over 50 wear sunglasses for driving. In a random sample of 50 adults over 50, what is the mean and standard deviation of those that wear sunglasses?
 
  A) mean: 10; standard deviation: 2.82842712 B) mean: 40; standard deviation: 2.82842712
  C) mean: 40; standard deviation: 6.32455532 D) mean: 10; standard deviation: 6.32455532



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Carliemb17

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

error

Answer to Question 2

B




nelaaney

  • Member
  • Posts: 560
Reply 2 on: Jul 25, 2018
Thanks for the timely response, appreciate it


bdobbins

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

For a complete list of videos, visit our video library