Author Question: The degrees of freedom are used to determine the critical z-score for the normal distribution when ... (Read 119 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
The degrees of freedom are used to determine the critical z-score for the normal distribution when calculating a confidence interval.
 
  Indicate whether the statement is true or false

Question 2

The table below shows the number of cars sold last month by seven employees at Concord Motors and their number of years of sales experience.
 
  Experience Sales
  1 8
  2 6
  2 7
  4 14
  5 9
  6 13
  8 10
 
  Management would like to use simple regression analysis to estimate monthly car sales using the number of years of sales experience. The sum of squares error for this sample is ________.
  A) 13.50
  B) 16.00
  C) 29.61
  D) 37.23


emily12345

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

FALSE

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

For a complete list of videos, visit our video library