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Identify the dependent/s and independent variable then estimate the multiple regression equation. b. What is the r-squared value and what is its implication?

Identify the dependent/s and independent variable then estimate the multiple regression equation. b. What is the r-squared value and what is its implication?

MATLAB: An Introduction with Applications
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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APPLIED STATISTICS (MULTIPLE REGRESSION)

UPVOTE WILL BE GIVEN. PLEASE ANSWER THE PROBLEM BY USING SPSS OR EXCEL ONLY (NOT HANDWRITTEN). NO LONG EXPLANATION NEEDED. TAKE A SCREENSHOTS AND ANSWER THE QUESTION IN SENTENCES.

a. Identify the dependent/s and independent variable then estimate the multiple regression equation.

b. What is the r-squared value and what is its implication?

c. What variable/s are considered significant? What is the p-value?

3. The tensile strength of a certain synthetic fiber is thought to be related to the percentage of cotton in the fiber, and the drying time of the fiber. A test of 10 pieces of fiber produced under different conditions yielded the following results. Tensile Strength 213 220 216 225 235 218 239 243 233 240 Percentage of Cotton 13 15 14 18 19 20 22 17 16 18 Drying Time 2.1 2.3 2.2 2.5 3.2 2.4 3.4 4.1 4.0 4.3
Transcribed Image Text:3. The tensile strength of a certain synthetic fiber is thought to be related to the percentage of cotton in the fiber, and the drying time of the fiber. A test of 10 pieces of fiber produced under different conditions yielded the following results. Tensile Strength 213 220 216 225 235 218 239 243 233 240 Percentage of Cotton 13 15 14 18 19 20 22 17 16 18 Drying Time 2.1 2.3 2.2 2.5 3.2 2.4 3.4 4.1 4.0 4.3
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