Verify that the coefficients a and b of the least squares straight line are solutions of the
Question:
Verify that the coefficients a and b of the least squares straight line are solutions of the matrix equation
Transcribed Image Text:
X; (:)- Σ a i=l b i=1 i=I IM IM || WIWI
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 53% (13 reviews)
Using Cramers rule we obtain Which is essentia...View the full answer
Answered By
Somshukla Chakraborty
I have a teaching experience of more than 4 years by now in diverse subjects like History,Geography,Political Science,Sociology,Business Enterprise,Economics,Environmental Management etc.I teach students from classes 9-12 and undergraduate students.I boards I handle are IB,IGCSE, state boards,ICSE, CBSE.I am passionate about teaching.Full satisfaction of the students is my main goal.
I have completed my graduation and master's in history from Jadavpur University Kolkata,India in 2012 and I have completed my B.Ed from the same University in 2013. I have taught in a reputed school of Kolkata (subjects-History,Geography,Civics,Political Science) from 2014-2016.I worked as a guest lecturer of history in a college of Kolkata for 2 years teaching students of 1st ,2nd and 3rd year. I taught Ancient and Modern Indian history there.I have taught in another school in Mohali,Punjab teaching students from classes 9-12.Presently I am working as an online tutor with concept tutors,Bangalore,India(Carve Niche Pvt.Ltd.) for the last 1year and also have been appointed as an online history tutor by Course Hero(California,U.S) and Vidyalai.com(Chennai,India).
4.00+
2+ Reviews
10+ Question Solved
Related Book For
Introduction To Mathematical Statistics And Its Applications
ISBN: 9780321693945
5th Edition
Authors: Richard J. Larsen, Morris L. Marx
Question Posted:
Students also viewed these Statistics questions
-
In a study of the production function of the United Kingdom bricks, pottery, glass, and cement industry for the period 1961 to 1981, R. Leighton Thomas obtained the following results: 1. log Q = -...
-
A cubic polynomial may have a local min and max, or it may have neither. Find conditions on the coefficients a and b of that ensure that f has neither a local min nor a local max. f(x) = 3x3 + Zax2 +...
-
The curve y = ax2 + hx + c shown in the accompanying figure passes through the points (x1, y2), (x3, y3), and (x1, y3). Show that the coefficients a, b. and c are a solution of the system of linear...
-
A quality inspector selects a sample of 12 items at random from a collection of 60 items, of which 18 have excellent quality, 25 have good quality. 12 have poor quality, and 5 are defective. (a) What...
-
A cellular phone company is looking for ways to improve customer satisfaction. They want to select a simple random sample of four stores from their 15 franchises in which to conduct customer...
-
Write a paper on audit of GGI
-
What are the main elements of power transmission ? Mention them.
-
Lindas Foods produces frozen meals that it sells for $ 6 each. The company computes a new monthly fixed manufacturing overhead rate based on the planned number of meals to be produced that month. All...
-
The assets and liabilities of Thompson Computer Services at March 31, the end of the current year, and its revenue and expenses for the year follow. The common stock was $118,300 and the retained...
-
Warnerwoods Company uses a periodic inventory system. It entered into the following purchases and sales transactions for March. Date Activities Units Acquired at Cost Units Sold at Retail Mar. 1...
-
When two closely related species are crossed, the progeny will tend to have physical traits that lie somewhere between those of the two parents. Whether a similar mixing occurs with behavioral traits...
-
In some regression situations, there are a priori reasons for assuming that the xy-relationship being approximated passes through the origin. If so, the equation to be fit to the (xi, yi)s has the...
-
You want to know whether men or women are more likely to take a set of stairs or an escalator. You position yourself in a shopping mall where a set of stairs and an escalator are near each other and...
-
Find the total monthly payment, including taxes and insurance. Mortgage Interest Rate Term of Loan Annual Taxes Annual Insurance $79,500 4% 25 years $674 $228
-
A sun-like star is barely visible to naked-eye observers on earth when it is a distance of 7.0 light years, or 6.610 16 m, away. The sun emits a power of 3.810 26 W. Part A Using this information, at...
-
Social Media Marketing for Expansion A guest speaker at a small business development conference has a main audience of business owners who want to incorporate social media marketing into their...
-
sarah gets 1 5 k scholarship. 8 0 0 0 for tuition and books, 7 0 0 0 room and board. gets laid 7 5 0 0 weak for work. What is her gross income?
-
The surface gravity of mars is 3.7m/s squared. If a personwith a mass of 100kg were parachuting on Mars. What would be theforce exerted by air resistance at terminal velocity?
-
Find the arc length of the graph of the function over the indicated interval. y = x/21, [26]
-
What are the key elements of a system investigation report?
-
Eight measurements were made on the inside diameter of forged piston rings used in an automobile engine. The data (in millimeters) are 74.001, 74.003, 74.015, 74.000, 74.005, 74.002, 74.005, and...
-
In Applied Life Data Analysis (Wiley, 1982), Wayne Nelson presents the breakdown time of an insulating fluid between electrodes at 34 kV. The times, in minutes, are as follows: 0.19, 0.78, 0.96,...
-
The January 1990 issue of Arizona Trend contains a supplement describing the 12 best golf courses in the state. The yardages (lengths) of these courses are as follows: 6981, 7099, 6930, 6992, 7518,...
-
Write a program to create a file named "MyFile.txt". Store the following information in the file. Name Mlido Zodwa Phumla Tom Surname Samsons Bardwell Harrison Mpisane ITS Number 402106372 402103053...
-
of estion 2.1 Write a C++ program that calculates a customer's bill for a local cable company. The cable company has two types of customers: residential and business with different rates allocated...
-
Use Sobel mask and find horizontal and vertical gradient outputs for the given 5x5 image matrix which is coded 4-bit/pixel. (Don't use padding operation, obtain your output matrix as 3x3 image size!)...
Study smarter with the SolutionInn App