Author Question: A _____ is the range within which a statistical result is confidently accepted as probably not due ... (Read 69 times)

Alygatorr01285

  • Hero Member
  • *****
  • Posts: 564
A _____ is the range within which a statistical result is confidently accepted as probably not due to chance.
 
  a. confidence interval c. critical range
  b. sampling distribution d. treatment interval

Question 2

In a normal curve, _____ percent of the scores fall at or below the mean.
 
  a. 5 c. 90
  b. 50 d. 100



yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

A
This is the definition of confidence interval.

Answer to Question 2

B
The mean equals the median, which is the 50th percentile. That means that 50 of the scores have values equal to or lower than the mean.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

For a complete list of videos, visit our video library