Author Question: The only time the standard deviation may equal zero, is when a. the range is less than 50 b. ... (Read 88 times)

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
The only time the standard deviation may equal zero, is when
 
  a. the range is less than 50
  b. every score in the distribution is the same
  c. the range is negative
  d. none of these, since the standard deviation may never be equal to zero

Question 2

In hypothesis testing, a statement about the predicted relation between populations is the __________.
 
  Fill in the blanks with correct word



Madisongo23

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

b

Answer to Question 2

research hypothesis



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library