« previous next »

Author Question: When determining the sample size necessary for estimating the true population mean, which factor is ... (Read 149 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
on: Jun 24, 2018
When determining the sample size necessary for estimating the true population mean, which factor is not of our concern when sampling with replacement?
 a. The allowable or tolerable sampling error.
  b. The level of confidence desired in the estimate.
  c. The population standard deviation.
  d. The population size.

Question 2

If multicollinearity exists among the independent variables included in a multiple regression model, then:
 a. the regression coefficients will be difficult to interpret.
  b. the standard errors of the regression coefficients for the correlated independent variables will increase.
  c. one or more of the coefficients may have the wrong sign.
  d. All of these choices are true.


Amiracle

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
Reply #2 on: Jun 24, 2018
Thank you


Amiracle

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jun 24, 2018
No problemo


« previous next »
 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus
Ethnic Differences in Financial Support for College Based on a sample of 304 emerging adults aged 2 Ethnic Differences in Financial Support for College Based on a sample of 304 emerging adults aged 2
Does Intelligence Increase with Brain Size? Does Intelligence Increase with Brain Size?
The Solow Model Incorporating Population Growth The Solow Model Incorporating Population Growth
Marking for Population Study Marking for Population Study
The Two-Factor Theory of Emotion The Two-Factor Theory of Emotion
Video: Olfaction. or the sense of smell

For a complete list of videos, visit our video library