« previous next »

Author Question: Two independent simple random samples are taken to test the difference between the means of two ... (Read 79 times)

Marty

  • Hero Member
  • *****
  • Posts: 553
on: Jun 24, 2018
Two independent simple random samples are taken to test the difference between the means of two populations whose standard deviations are not known, but are assumed to be equal. The sample sizes are n1 = 25 and n2 = 35 . The correct distribution to use is the
 a. t distribution with 61 degrees of freedom.
  b. t distribution with 60 degrees of freedom.
  c. t distribution with 59 degrees of freedom.
  d. t distribution with 58 degrees of freedom.

Question 2

When there is probabilistic demand in a multi-period model, the inventory level will not decrease smoothly and can fall below 0.
 a. True
  b. False
  Indicate whether the statement is true or false


mathjasmine

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Valgus Stress Test Valgus Stress Test
Administration of the Rinne test. Administration of the Rinne test.
Monitoring and Following Up on Laboratory Test Results Monitoring and Following Up on Laboratory Test Results
Changes in Blood Test Values with Acute Myocardial Infarction Changes in Blood Test Values with Acute Myocardial Infarction
To test the normally open contacts, connect one meter lead to terminal 30 and the other lead to ... To test the normally open contacts, connect one meter lead to terminal 30 and the other lead to ...
The Mantoux tuberculin skin test. Positive reaction. The Mantoux tuberculin skin test. Positive reaction.
Video: Skin Cancer

For a complete list of videos, visit our video library