Author Question: Suppose that 100 items are drawn from a population of manufactured products and the weight, X, of ... (Read 74 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
Suppose that 100 items are drawn from a population of manufactured products and the weight, X, of each item is recorded. Prior experience has shown that the weight has a non-normal probability distribution with  = 8 ounces and  = 3 ounces. Which of the following is true about the sampling of ?
 a. Its mean is 8 ounces. c. Its shape is approximately normal.
  b. Its standard error is 0.3 ounces. d. All of these choices are true.

Question 2

A regression line using 25 observations produced SSR = 118.68 and SSE = 56.32 . The standard error of estimate was:
 a. 2.11
  b. 1.56
  c. 2.44
  d. None of these choices.



laurnthompson

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

For a complete list of videos, visit our video library