Author Question: The letter in the formula for constructing a confidence interval estimate of the population mean ... (Read 135 times)

yoroshambo

  • Hero Member
  • *****
  • Posts: 566
The letter  in the formula for constructing a confidence interval estimate of the population mean is:
 a. the level of confidence.
  b. the probability that a particular confidence interval will contain the population mean.
  c. the area in the lower tail of the sampling distribution of the sample mean.
  d. None of these choices.

Question 2

In a multiple regression analysis involving k independent variables and n data points, the number of degrees of freedom associated with the sum of squares for error is:
 a. k - 1 c. n - 1
  b. n - k d. n - k - 1



Pamela.irrgang@yahoo.com

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

For a complete list of videos, visit our video library