Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. you are developing a simple linear regression anal

You are developing a simple linear regression analysis model. The simple correlation coefficient between y and...

90.2K

Verified Solution

Question

Statistics

You are developing a simple linear regression analysis model.The simple correlation coefficient between y and x is -0.72. Whatdo you know must be true about b1. The least squares estimator ofB1? Why?

In a multiple linear regression analysis with k = 3. From the ttest associated with B1, you conclude that B1 = 0. When you do thef test will you reject or fail to reject the null hypothesis?Why?

In a simple bilinear regression analysis, when x = -1.2, the 95%confidence interval for is (42, 5B). Give an interval (there aremultiple answers that can be correct) that could be the 95%prediction interval for y when x = -12. Explain why your answerworks.

You have quarterly time series data and you want to develop amodel that will allow you to make forecasts for the next fourquarters. Should you use a moving average model a simpleexponential smoothing model or a regression model? Why?

In a regression analysis, you get r^2 = 0.40. What does thistell you about the mathematical relationship of SSE and SSR? How doyou know?

Answer & Explanation Solved by verified expert
3.9 Ratings (595 Votes)
    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Accounting
1.2K views

I only would like to verify the adjusting entries, the total balance is supposed to be...

Accounting
1.2K views

Will the results in (a) be higher or lower than the results under FIFO and LIFO? Whispering...

Biology
1.2K views

Define the following a Gene expression b Constitutive expression c Positive regulation d Negative regulation...

Biology
1.2K views

7 True or False If premises of an argument are true they prove the conclusion...

Basic Math
1.2K views

Rewrite the following expression as a fraction involving powers with only positive exponents then evaluate...

Basic Math
1.2K views

How long will it take money to double if it is invested at the following...

Basic Math
1.2K views

The 80% confidence interval for the proportion of students who drink coffee daily is (0.27,...

Algebra
1.2K views

find the flow of the velocity field F b Q a 2y 1 i 4xy...

Accounting
1.2K views

t 2 of 2 1 ints eBook Hint Print References [The following information applies...

Accounting
1.2K views

Bramble Company applies overhead on the basis of machine hours. Given the following...

Accounting
1.2K views

Indicate the Blueprinting services necessary for creatingvalued customer experiences and productive operations

Accounting
1.2K views

25. A flexible budget is one (a) Prepared for several possible levels of sales revenue...