User Account

All Pages

Interpreting simple linear regression

Assignment Help Basic Statistics
Reference no: EM131743196

Interpreting Simple Linear Regression

1. Linear correlation coefficient r = 0.794556

2. Coefficient of Determination ( r square) 0.631319

3. Standard Error of the estimate = 12.9668

4. SSR (Explained variation) = 5182.41

5. SSE ( Unexplained variation) = 3026.49

6. SST = 8208.90

7. Predicted equation or equation of the regression line (Y predicted or hat) = 0.725983X + 16.5523

8. Level of Significance = 0.1

9. Critical Value= 0.378419

10. t test = 0.794556

Question

a. What is meant by a hypothesis? What is the null hypothesis in this example

b. What is the meant by the standard error of the estimate? Which number measures the scatter of points about the regression line?

c. Define the Y intercept of the regression line. What is the Y intercept?

d. How the test whether the Null Hypothesis should be rejected or not?

e. Which number measures the distances from the prediction line to the actual values?

f. Question : Are the variables moving in the same direction. If yes why? If no, why?

g. Which number is the allowable risk of making a Type I error?

h. What is meant by the slope of the regression line? Which number is the slope of the regression line?

i. What is meant by SSR? Which number measures the variation explained by the regression line?

Reference no: EM131743196

Questions Cloud

Discuss inheritance from class apple : Discuss inheritance from class Apple for other closely related derived classes and discuss the common components of class Apple
Discuss a fantastic element that seems to play a major role : discuss a fantastic element that seems to play a major role in this tale. What is that role of that element, and how would the story change without it
Selecting a week that contained overtime? wages : Are the events? "selecting a week that contained overtime? wages" and? "selecting a week that contained temporary help? wages" mutually? exclusive?
Define the orphan boy and the magic stone : The Orphan Boy and the Magic Stone discuss its main character
Interpreting simple linear regression : a. What is meant by a hypothesis? What is the null hypothesis in this example
What, in your opinion, are the most important characteristic : Describe the character you have chosen to write about in your final project. Give us an overview of why you chose him or her
Write program that asks the user to enter a time duration : Write program that asks the user to enter a time duration in hours, minutes, and seconds and then displays the time in terms of hours in decimal format
Design an advertising campaign for them : Sine the eighties, Donatillo's restaurant satisfied its customers through its food options, which brought Italian tastes to American homes in Seattle.
Specify the competing hypotheses to determine : a. Specify the competing hypotheses to determine if the player has a higher scoring average in home games.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Confidence interval for population standard deviation

Pilots who cannot maintain regular sleep hours due to their work schedule often suffer from insomnia. A recent study on sleeping patterns of pilots focused on quantifying deviations from regular sleep hours.

  Find the probability that the sum of the numbers appearing

An experiment consists of tossing a pair of dice. Use the combinatorial theorems to determine the number of sample points in the sample space S.

  A soft drink dispenser is set to automatically dispense

a soft drink dispenser is set to automatically dispense drinks and ice in 8 oz. cups. the machine is set to fill the

  Draw scatterplot with country group of each point indicated

Choose two of the three original variables. Draw a scatterplot with the country group of each point indicated. Comment. Generate classification rules using Linear discriminant analysis.

  Suppose that the lengths of the slots are normally

then lengths of a certain component are normally distributed with a mean of 250 mm and a standard deviation of .6mm.

  Analyze the association between fat content and sodium

Fast food is often considered unhealthy because much of it is high in both fat and sodium. But are the two related? Here are the fat and sodium contents of several brands of burgers. Analyze the association between fat content and sodium.

  Is there evidence to reject the shop-s claim

Mean caffeine content of 146 milligrams and a standard deviation of 22 milligrams. At α = .10, do you have enough evidence to reject the shop's claim?

  Estimating amount of labor involved in inventory stockrooms

What would you recommend Taylor do to cut back its labor cost? (Illustrate using an ABC plan.)

  What is the probability that a particular arrival-time

in using the triangulation method to determine the range of an acoustic source the test equipment must accurately

  Produce a correlation matrix for the variables

The file titled Growth contains sales ($million), sales increase (%), return on capital, market value ($million), and recent stock price of the top 20 ranked.

  What type and level of data must you collect to conduct a

what type and level of data must you collect to conduct a t-test? why? what are examples of variables with which we

  Density of nitrogen gas

The density of nitrogen gas is 1.2506 X 10-3 g cm-3 and that of oxygen gas is 1.4290 x 10-3 g cm-3. Which gas will diffuse faster?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd