Author Question: The sample size needed to estimate a population mean within 2 units with a 95 confidence when the ... (Read 112 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
The sample size needed to estimate a population mean within 2 units with a 95 confidence when the population standard deviation equals 8 is
 a. 62
  b. 61
  c. 8
  d. None of these choices.

Question 2

An adverse effect of multicollinearity is that the estimated regression coefficients of the independent variables that are correlated tend to have large sampling ___________________ _.
 Fill in the blank(s) with correct word



wuly

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

A

Answer to Question 2

errors



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

For a complete list of videos, visit our video library