Author Question: The Empirical Rule says that for a normal curve, approximately 68 of the values fall within 1 ... (Read 57 times)

Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
The Empirical Rule says that for a normal curve, approximately 68 of the values fall within 1 standard deviation of the mean in either direction, while 95 of the values fall within 2 standard deviations of the mean in either direction. Explain why you don't have twice as many values within 2 standard deviations as you do within 1 standard deviation.

Question 2

A(n) __________ represents the number of standard deviations the observed value or score falls above or below the mean.
 Fill in the blank(s) with correct word



duy1981999

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

BECAUSE OF THE NORMAL, OR BELL-SHAPED CURVE. THE MAJORITY (68) FALL CLOSE TO THE MEAN, WHERE THE BELL PART OF THE CURVE IS. AS YOU MOVE AWAY, YOU GET INTO THE TAILS OF THE CURVE, WHICH CONTAIN LESS AREA.

Answer to Question 2

STANDARD SCORE (OR Z-SCORE)



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

For a complete list of videos, visit our video library