This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A sample of 200 elements from a population with a known standard deviation is selected. For an ... (Read 118 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
on: Jun 24, 2018
A sample of 200 elements from a population with a known standard deviation is selected. For an interval estimation of , the proper distribution to use is the
 a. normal distribution.
   b. t distribution with 200 degrees of freedom.
   c. t distribution with 201 degrees of freedom.
   d. t distribution with 199 degrees of freedom.

Question 2

Which of the following forecasting methods puts the least weight on the most recent time series value?
 a. exponential smoothing with  = .3
 b. exponential smoothing with  = .2
 c. moving average using the most recent 4 periods
  d. moving average using the most recent 3 periods


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

poopface

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jun 24, 2018
Answer to Question 1

a

Answer to Question 2

b


RODY.ELKHALIL

  • Member
  • Posts: 591
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

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?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Sample Exercise Program for Limited Older Adults (cont.) Sample Exercise Program for Limited Older Adults (cont.)
Atmospheric Hazards: Assault by the Elements Atmospheric Hazards: Assault by the Elements
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
Calories in Selected Alcoholic Drinks Calories in Selected Alcoholic Drinks
A sample of baking soda is heated and releases carbon dioxide gas into a 1000-mL A sample of baking soda is heated and releases carbon dioxide gas into a 1000-mL
A hypothesis test is performed to test the claim that a population proportion is greater than ... A hypothesis test is performed to test the claim that a population proportion is greater than ...
Video: Conjunctivitis

For a complete list of videos, visit our video library