Author Question: An economist is interested in studying the spending habits of consumers in a particular region. The ... (Read 68 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
An economist is interested in studying the spending habits of consumers in a particular region. The population standard deviation is known to be 1,000 . A random sample of 50 individuals resulted in an average expense of 15,000 . What is the width of the 99 confidence interval?

Question 2

Multicollinearity is a situation in which two or more of the independent variables are highly correlated with each other.
  Indicate whether the statement is true or false



sabina576

  • Sr. Member
  • ****
  • Posts: 356
Answer to Question 1

Width = 729.74

Answer to Question 2

T



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

For a complete list of videos, visit our video library