Computing coefficient of determination

Assignment Help Basic Statistics
Reference no: EM1395271

In a regression analysis, the sum of the squared deviations between y and y-bar is SST = 200.0. If the sum of the squared deviations about the regression line is SSE + 40.0, what is the coefficient of determination?

Reference no: EM1395271

Questions Cloud

Probability-sugar packaged by a certain machine : Sugar packaged by a certain machine has a mean weight of 5lb and a standard deviation of 0.02 lb. For what values of c can the manufacturer of the machinery claim that the sugar packaged by this machine has a weight between 5 - c and 5 + c lb with..
Determination-test for correlation coefficient : What is the relationship between the amount spent per week on food and the size of the family? Do larger families spend more on food?
Mean age of the population : Can we conclude that the mean age of the population from which the sample may be presumed to have been drawn is less than 60 years? Let α = .05
Mean systolic blood pressure for population african-american : We wish to know if, on the basis of these data, we may conclude that the mean systolic blood pressure for a population of African-American men is greater than 140.
Computing coefficient of determination : In a regression analysis, the sum of the squared deviations between y and y-bar is SST = 200.0. If the sum of the squared deviations about the regression line is SSE + 40.0, what is the coefficient of determination?
Statistical concepts clarification : What type of research design is the strongest when I what to adopt a new educational program? Using a pre-test and post-test with control group, the previous method but without the control group.
Drivers in the sample regularly wear a seatbelt : Between 180 and 230 (inclusive) of the drivers in the sample regularly wear a seatbelt? Hint: Use the BINOMDIST function in Excel.
Determining possible confounds : A psychology professor is interested in whether implementing weekly quizzes improves student learning. She decides to use the weekly quizzes in one section of her introductory psychology class and not to use them in another section of the same cou..
Describe why biodiversity is important to ecosystem health : Describe why biodiversity is important to ecosystem health, even in an agricultural setting where most often farmers are paid for a single, pure product like wheat or corn.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Expected winnings-charge for ticket for profit

A certain state lottery awards 418 prizes; 28-$200 prizes, 120-$25 prizes and 270-$20 prizes, for every 10,000 tickets sold.

  Finding p-value associated with test of hypothesis

Find out the p-value associated with test of hypothesis you conducted?

  Relationship from sample information

At the .01 significance level, is there a relationship between job pressure and age?

  Question on normal approximation

Here is a simple probability model for multiple-choice tests. Assume that each student has probability p of correctly answering the question chosen at random from universe of possible questions.

  Single regression problem

Suppose we have the following information from a single regression: What is the coefficient of determination? What is the correlation coefficient?

  Meaning of statistics

Given what you've learned in this module about the meaning of "statistics", choose one of the examples from Part I (A-F), and raise a relevant question of your own that could be answered by a statistician.

  Example of a normal distribution

What is an example of a normal distribution? please articulate what the example is (post the graph, picture of the graph, etc); discuss what the normal distribution means for this example, and how the graph is being used to articulate the problem.

  Break even and simulated process

As part of their application for a loan to buy Lakeside Farm, a property they hope to develop as a bed-and-breakfast operation, the prospective owners have projected:

  Average number of putts per round

Based on these results, the proportion of the variation in 1993 winnings that is explained by the average number of putts per round and driving distance

  Non parametric test-kruskal wallis test with box plots

Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?

  Difference between paramaeter and statistics

Critically the difference between Paramaeter and Statistics and Critically discuss the concept of operationalize? What are focus groups

  Mode of the given test scores

The mean of a set of 7 numbers is 13. What is the sum of the numbers? Find the mode of the following test scores: 89, 78, 91, 82, 75, 89, 84, 95, 89, 93

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!

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