This topic contains a solution. Click here to go to the answer

Author Question: What effect will an outlier have on a confidence interval that is based on a small sample size? ... (Read 100 times)

futuristic

  • Hero Member
  • *****
  • Posts: 638
What effect will an outlier have on a confidence interval that is based on a small sample size?
 
  A) The confidence interval will be wider than an interval without the outlier.
  B) The interval will be smaller than an interval without the outlier.
  C) The interval will be the same with or without the outlier.
  D) The interval will reveal exclusionary data.

Question 2

The tread life of a particular brand of tire is a random variable best described by a normal distribution with a mean of 60,000 miles and a standard deviation of 1500 miles.
 
  What is the probability a certain tire of this brand will last between 56,850 miles and 57,300 miles? A) 0.0180 B) 0.9813 C) 0.4920 D) 0.4649



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

InfiniteSteez

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

A

Answer to Question 2

A



futuristic

  • Hero Member
  • *****
  • Posts: 638
Both answers were spot on, thank you once again




 

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?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

For a complete list of videos, visit our video library