Graph the data and the best-fit line.yO15105у1510522N6 86 8101012X- X12хоу15105у1510522446 8 106 8101212XX Find the regression line associated with the set of points. (Round all coefficients to four decimal places.) HINT [See Example 2.](−1, 0), (2, 2), (7, 7)y(x) = 0.875x+0.875X

Given set of points is(-1,0)(2,2)(7,7)

Answered: Find the regression line associated…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Use the following linear regression equation to answer the questions. x1 = 1.0 + 3.9x2 – 8.4x3 + 2.4x4 Which variables are the explanatory variables? (Select all that apply.) x3x4x2x1 (b) Which number is the constant term? List the coefficients with their corresponding explanatory variables. constant x2 coefficient x3 coefficient x4 coefficient (c) If x2 = 1, x3 = 4, and x4 = 4, what is the predicted value for x1? (Use 1 decimal place.)
find the equation of the regression line. Round to 3 decimal places.
Acceptedcharacters:numbers, decimal point markers (period or comma), sign indicators (-),spaces (e.g., as thousands separator, 5 000), “E” or“e” (used in scientific notation). NOTE: For scientificnotation, a period MUST be used as the decimal point marker.Complex numbers should be in the form (a + bi) where “a” and“b” need to have explicitly stated values.For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas{9i} is not. Find the mean of the distribution shown below. X 0 1 2 P(X) 0.24 0.31 0.45 Round your answer to two decimal place as necessary. For example, 4.56would be a legitimate entry. Mean =
Suppose Ms. Carr is interested in the relationship between her students' 9th grade math final exam scores and the number of hours they spent studying during the year. She collects information for 15 ninth grade students and uses it to obtain the regression equation, where ?x is the number of hours spent studying during the year and ?̂ is the predicted final exam score. ?̂ =1.48?+75.64 The scatter plot displays her results. What is the predicted ?̂ value when a student spends 13 hours studying? Round your answer to one decimal place. Select the correct interpretation. The above predicted value of ?̂ is the predicted final math test score if a student studies 13 hours during the year. the predicted score of 13 out of 15 students. what any student will score on the final exam if they study at least 13 hours. the math final test score that 13 students beat.
Find the regression line associated with the set of points. (Round all coefficients to four decimal places.) (6, 8), (8, 12), (12, 16), (14, 4) y(x) =
How does R treat those observations with missing values? In other words, what role do the observations with missing values play in the regression? No command is needed for this question. You must need to provide an answer or take a guess.
Thanks in advance
Short Answer 2 Show that if the regression model contains a constant regressor, then Ý = ", Ý.
Can you please help with sub-parts C and D

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Find the regression line associated with the set of points. (Round all coefficients to four decimal places.) HINT [See Example 2.] (-1,0), (2, 2), (7, 7) y(x) = 0.875x+0.875 X