Author Question: Which of the following symbols represents the variance of a population? a. 2 b. c. d. ... (Read 81 times)

Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
Which of the following symbols represents the variance of a population?
 a.  2
  b.
  c.
  d. x

Question 2

A sample of 75 information systems managers had an average hourly income of 40.75 with a standard deviation of 7.00 . The value of the margin of error at 95 confidence is
 a. 80.83.
   b. 7.00.
   c. .81.
   d. 1.61.



karlss

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

a

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

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 people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Cyanide works by making the human body unable to use oxygen.

For a complete list of videos, visit our video library