Sequential sum of squares

Assignment Help Basic Statistics
Reference no: EM13921775

a) Fill in the blanks in the following tables. The column labeled "Seq SS" represents "sequential sums of squares" (measures the reduction in the SS when a term is added to a model that contains only the terms before it), while the column labeled "Adj SS" represents "adjusted sums of squares" (measures the reduction in the SS for each term relative to a model that contains all of the remaining terms). [Hint: The t-statistics in the Coefficients table assume all other predictors are included in the model, so if we square these we get the F-statistics in the Anova table based on Adjusted Sums of Squares.]

Source    df    Seq SS    Adj SS    F-statistic
based on Adj SS    p-value
based on Adj SS
Regression    3    100.866        35.14    0.000
X1    1    67.444    33.031    34.52    0.000
X2    1    3.883            
X3    1            30.88    0.000
Error    93            ----    -------
Total    96    189.842    189.842    ----    -------

Coefficients
Term    Coef    SE coef    t-statistic    p-value
Constant    0.58    1.24    0.45    0.652
X1    0.34    0.058    5.88    0.000
X2    -0.01    0.0245        
X3    0.06    0.0103    5.56    0.000

b) Calculate SSR(X3|X1), that is the sequential sum of squares obtained by adding X3 to a model already containing only the predictor X1. Show your work.

c) Calculate the value of an F-statistic for testing H0: β2 = β3 = 0 within the model Yi = β0 + β1 Xi,1 + β2 Xi,2 + β3 Xi,3 + εi. It is not necessary to carry out the test - just calculate the value of F. Show your work.

d) Calculate the value of the coefficient of partial determination R2Y,2|1.

Reference no: EM13921775

Questions Cloud

Name and describe the four types of prisons for adults : Directions: Unless otherwise stated, answer in complete sentences, and be sure to use correct English spelling and grammar. Your textbook discusses prison security levels. Name and describe the four types of prisons for adults
Describe the revocation hearing process : Your textbook discusses a revocation hearing. For this assignment, describe the revocation hearing process. Include two options after a finding of "guilty," other than prison or continued supervision
Purchase and installation costs of equipment : A building in which a car wash could be installed is available under a five-year lease at a cost of $3,300 per month.Purchase and installation costs of equipment would total $305,000. In five years the equipment could be sold for about 10% of its ori..
Describe chase-production, level production : In production strategies, describe chase-production, Level Production and mixed-combination. Give an example of each in logistics field.
Sequential sum of squares : Calculate SSR(X3|X1), that is the sequential sum of squares obtained by adding X3 to a model already containing only the predictor X1. Show your work.
Discuss the likely short-run and long-run effects : How can cross elasticities be used to help define the relevant firms in an industry? Suppose the price of heating oil increases significantly. Discuss the likely short-run and long-run effects.
In mass selection method the progenies are grow in : In mass selection method the progenies are grow in?
Discuss the legal position in this case : Frank Williams and Matilda Jackson met ten years ago. Three years later, Matilda moved into Frank's house, which he inherited from his parents. Discuss the legal position in this case
Partial anova table : What is the difference between linear impact and linear correlation?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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