Author Question: Regression analysis was applied between sales data (y in 1000s) and advertising data (x in 100s) and ... (Read 76 times)

meagbuch

  • Hero Member
  • *****
  • Posts: 568
Regression analysis was applied between sales data (y in 1000s) and advertising data (x in 100s) and the following information was obtained. y = 12 + 1.8x n = 17 SSR = 225 SSE = 75 sb1 = .2683 The critical t value for testing the significance of the slope, at a .05 level of significance, is
 a. 1.753.
  b. 2.131.
  c. 1.746.
  d. 2.120.

Question 2

A characteristic of interest for the elements is called a(n) _____.
 a. sample
  b. data set
  c. variable
  d. observation



mammy1697

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

b

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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?

People about to have surgery must tell their health care providers about all supplements they take.

For a complete list of videos, visit our video library