Homework Answers
Add Answer to:
Section 5.3 Least Squares: Problem 11 Previous Problem Problem List Next Problem (1 point) The table...
(1 point) The table below lists the height h (in cm), the age a (in years),...
(1 point) The table below lists the height h (in cm), the age a (in years), the gender g (1="Male", O="Female"), and the weight w (in kg) of some college students. 0 Height Age Gender Weight 162 21 61 165 19 64 171 19 156 23 0 184 221 95 80 55 We wish to fit a linear function of the form f(t) = co+ch + c2a + c39 to these data. Find the best approximation of this form, using...
(1 point) The table below lists the height h (in cm), the age a (in years),...
(1 point) The table below lists the height h (in cm), the age a (in years), the gender g (0-"Female", 1-"Male"), and the weight w (in kg) of some college students Height Age Gender|Weight 86 80 60 64. 75 183 20 176 20 164 21 169 19 172 18 0 0 We wish to fit a linear function of the form which predicts the weight from the rest of the data. Find the best approximation of this function, using least...
least squares
The table below lists the height h (in cm), the age a (in years), the gender g (1=”Male”, 0=”Female”), and the weight w (in kg) of some college students.Height Age Gender Weight173 18 1 79183 20 1 87157 23 0 49163 20 0 57167 19 0 60We wish to fit a linear function of the form w(t) = c0+c1h+c2a+c3g which predicts the weight from the rest of the data. Find the best approximation of this function,using least squares.c0 = ?...
Section 5.3: Problem 25 Previous Problem Problem List Next Problem (1 point) The velocity function is...
Section 5.3: Problem 25 Previous Problem Problem List Next Problem (1 point) The velocity function is v(t) = - + 5t – 6 for a particle moving along a line. Find the displacement and the distance traveled by the particle during the time interval (-1,6). displacement = 26.8333333333 distance traveled = 27.166 If needed, see page 287 of the Stewart Essential Calculus textbook for the definitions of these terms.
Ch2 Sec4: Problem 1 Previous Problem List Next (1 point) Find the least-squares regression line y...
Ch2 Sec4: Problem 1 Previous Problem List Next (1 point) Find the least-squares regression line y bo + bix through the points (-3,2), (3,9), 6. 15),9,. 18), (12,23), and then use it to find point estimates y corresponding to x = 2 and x = 9. For x -2, y- For x = 9.9= Note: In order to get credit for this problem all answers must be correct. Submlt Answens Preview My Answers You have attempted this problem 0 times....
Section 5.6 QR Factorization: Problem 6 Previous Problem Problem List Next Problem 2 9 (1 point)...
Section 5.6 QR Factorization: Problem 6 Previous Problem Problem List Next Problem 2 9 (1 point) Let A = 1 1 and b = 6 The QR factorization of the matrix A is given by: 2 6 1 3 1 1 -ŠV2 V2 *V2 ܝܙܚܐܝ 0 (a) Applying the QR factorization to solving the least squares problem Ax = b gives the system: 3 X= 0 3 (b) Use backsubstitution to solve the system in part (a) and find the...
Previous Problem List Next (1 point) The tank in the form of a right-circular cone of...
Previous Problem List Next (1 point) The tank in the form of a right-circular cone of radius 4 feet and height 29 feet standing on its end, vertex down, is leaking through a circular hole of radius 2 inches. Assume the friction coefficient to be c = 0.6 and g=32ft/. Then the equation governing the height h of the leaking water dh - seconds to If the tank is initially full, it will take it empty.
Assignment 7: Problem 8 Previous Problem Problem List Next Problem (1 point) We have data on...
Assignment 7: Problem 8 Previous Problem Problem List Next Problem (1 point) We have data on the lean body mass and resting metabolic rate for 12 women who are subjects in a study of dieting. Lean body mass, given in kilograms, is a person's weight leaving out all fat. Metabolic rate, in calories burned per 24 hours, is the rate at which the body consumes energy. Mass 44.2 41.4 49.4 48.4 39.6 40 43.152 42.3 49.8 41.6 36.5 Rate 1030...
Section 5.5 Orthonormal Sets: Problem 6 Previous Problem Problem List Next Problem 1 (1 point) Use...
Section 5.5 Orthonormal Sets: Problem 6 Previous Problem Problem List Next Problem 1 (1 point) Use the inner product < f, g >= . f(x)g(x)dx in the vector space C°[0, 1] to find the orthogonal projection of f(x) = 6x2 + 1 onto the subspace V spanned by g(x) = x - and h(x) = 1. projy(f) =
assign 11 105: Problem 9 Previous Problem Problem List Next Problem (1 point) Let P2 denote...
assign 11 105: Problem 9 Previous Problem Problem List Next Problem (1 point) Let P2 denote the vector space of all polynomials in the variable x of degree less than or equal to 2. Let C (-3,-1- 3x,-1 + 2x - 3x2] be an ordered basis for P2 a. Write 23x -9x2 as a linear combination of elements from the basis C 2+3x-9x2- (-1 + 2x - 3x2) b. Let [glc denote the coordinate representation of q relative to the...
(1 point) The table below lists the height h (in cm), the age a (in years), the gender g (1="Male", O="Female"), and the weight w (in kg) of some college students. 0 Height Age Gender Weight 162 21 61 165 19 64 171 19 156 23 0 184 221 95 80 55 We wish to fit a linear function of the form f(t) = co+ch + c2a + c39 to these data. Find the best approximation of this form, using...
(1 point) The table below lists the height h (in cm), the age a (in years), the gender g (0-"Female", 1-"Male"), and the weight w (in kg) of some college students Height Age Gender|Weight 86 80 60 64. 75 183 20 176 20 164 21 169 19 172 18 0 0 We wish to fit a linear function of the form which predicts the weight from the rest of the data. Find the best approximation of this function, using least...
Section 5.3: Problem 25 Previous Problem Problem List Next Problem (1 point) The velocity function is v(t) = - + 5t – 6 for a particle moving along a line. Find the displacement and the distance traveled by the particle during the time interval (-1,6). displacement = 26.8333333333 distance traveled = 27.166 If needed, see page 287 of the Stewart Essential Calculus textbook for the definitions of these terms.
Ch2 Sec4: Problem 1 Previous Problem List Next (1 point) Find the least-squares regression line y bo + bix through the points (-3,2), (3,9), 6. 15),9,. 18), (12,23), and then use it to find point estimates y corresponding to x = 2 and x = 9. For x -2, y- For x = 9.9= Note: In order to get credit for this problem all answers must be correct. Submlt Answens Preview My Answers You have attempted this problem 0 times....
Section 5.6 QR Factorization: Problem 6 Previous Problem Problem List Next Problem 2 9 (1 point) Let A = 1 1 and b = 6 The QR factorization of the matrix A is given by: 2 6 1 3 1 1 -ŠV2 V2 *V2 ܝܙܚܐܝ 0 (a) Applying the QR factorization to solving the least squares problem Ax = b gives the system: 3 X= 0 3 (b) Use backsubstitution to solve the system in part (a) and find the...
Previous Problem List Next (1 point) The tank in the form of a right-circular cone of radius 4 feet and height 29 feet standing on its end, vertex down, is leaking through a circular hole of radius 2 inches. Assume the friction coefficient to be c = 0.6 and g=32ft/. Then the equation governing the height h of the leaking water dh - seconds to If the tank is initially full, it will take it empty.
Assignment 7: Problem 8 Previous Problem Problem List Next Problem (1 point) We have data on the lean body mass and resting metabolic rate for 12 women who are subjects in a study of dieting. Lean body mass, given in kilograms, is a person's weight leaving out all fat. Metabolic rate, in calories burned per 24 hours, is the rate at which the body consumes energy. Mass 44.2 41.4 49.4 48.4 39.6 40 43.152 42.3 49.8 41.6 36.5 Rate 1030...
Section 5.5 Orthonormal Sets: Problem 6 Previous Problem Problem List Next Problem 1 (1 point) Use the inner product < f, g >= . f(x)g(x)dx in the vector space C°[0, 1] to find the orthogonal projection of f(x) = 6x2 + 1 onto the subspace V spanned by g(x) = x - and h(x) = 1. projy(f) =
assign 11 105: Problem 9 Previous Problem Problem List Next Problem (1 point) Let P2 denote the vector space of all polynomials in the variable x of degree less than or equal to 2. Let C (-3,-1- 3x,-1 + 2x - 3x2] be an ordered basis for P2 a. Write 23x -9x2 as a linear combination of elements from the basis C 2+3x-9x2- (-1 + 2x - 3x2) b. Let [glc denote the coordinate representation of q relative to the...
Most questions answered within 3 hours.
-
A gas occupies 200. mL in a piston. If the pressure of the
piston were decreased...
asked 10 minutes ago -
A fossil is found to have a 14C level of 71.0% compared to
living organisms. How...
asked 14 minutes ago -
Many communist or socialist countries have a department that
addresses public health as well as the...
asked 16 minutes ago -
the following questions are either true or false answers
1. The Central Limit Theorem allows one...
asked 16 minutes ago -
The patient recovery time from a particular surgical procedure
is normally distributed with a mean of...
asked 22 minutes ago -
Human relations refer to the way a company arranges people,
jobs, and communications so that work...
asked 39 minutes ago -
Python Program: Design the logic for and implement a program
that merges the two files into...
asked 37 minutes ago -
The specific radiocarbon activity of a sample of wood is 6.25
gms dpm/gm of carbon. The...
asked 42 minutes ago -
An aqueous magnesium chloride solution is made by dissolving
6.96 moles of MgCl2 in sufficient water...
asked 45 minutes ago -
Ken believes the average age of men who come to get a haircut at
his barber...
asked 1 hour ago -
(Ratio Analysis): Last year Co. XYZ had sales of $ 400,000, with
“cost of goods sold”...
asked 1 hour ago -
can someone please write the balanced chemical
equation for the synthesis of Bromoacetanilide
from;
aniline +...
asked 1 hour ago