Author Question: The population variance is defined as the sum of the _____ . a. squared differences of each score ... (Read 90 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
The population variance is defined as the sum of the _____ .
 
  a. squared differences of each score from the sample mean of a distribution divided
  by the sample size
  b. differences of each score from the mean of a population divided by the
  population size
   c. squared differences of each score from the mean of a population divided by the
  population size
  d. differences of each score from the mean of a population divided by the
  population size minus one

Question 2

For the class interval of 20-25, the lower real limit is _____ .
 
  a. 19.5
  b. 20.0
  c. 19.0
  d. 20.5



kishoreddi

  • Sr. Member
  • ****
  • Posts: 329
    • Your online Help in Biology and chemistry
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

For a complete list of videos, visit our video library