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 286 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
:D TYSM

ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Standard Model of Elementary Particles Standard Model of Elementary Particles
Selected Antiemetics Selected Antiemetics
Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ... Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ...
Selected Monoclonal Antibodies for Immunosuppression Selected Monoclonal Antibodies for Immunosuppression
Population Patterns Population Patterns
A random sample of 87 airline pilots recruited by an airline service had an average yearly ... A random sample of 87 airline pilots recruited by an airline service had an average yearly ...
Video: Sickle Cell Anemia

For a complete list of videos, visit our video library