The data given below indicate the existence of a linear relationship between thex and y variables. Suppose an analyst who prepared the solutions and coried out the RI measurements was not skilled and as a result of poor technique, allowed intemediate errors to appear. The resuits are the following Concentration of solution in percent ( 10 26 33 50 61 Refractive indices ty) 1.497 1.493 1.485 1478 1.477 Step 1. Carefully piot the given x and y values (from the tabie) on a regular graphing paper (or milimeter graphing poper - it avaiable, preferred for precision). Label then connect the points to observe a zigzog plot due to the scattered points. Slep 2. Copy and fil the given table (belowjon the top part of your grophing paper, after your student detais to commence with inear regression. For uniformity, ALL computed values to be filed in this tabie wil be rounded-off to the 3 decimal place. The values obtained in this table are REAL numbers with either positive or negative integers). to be included in the summation for each column. For answers withexponents, copy the base number in decimal form up to the 3 decimal ploce then add the "x10" (example: 1.234x 10). Since this is a guided quiz. Ihave included some answers in red ink) to help you through the activity, Remember. "there is no shortcut to success". Double check answers before proceeding (x - X) (x - X)2 676.000 (y - 9) 0.011 (y - 9) 1.210x104 (x - X) (y - ý) 10 -26.000 1.497 -0.286 26 1.493 33 1.485 50 1.478 61 1.477 E= 180.000 E= E=7.430 Σ -EviN =36.000
The data given below indicate the existence of a linear relationship between thex and y variables. Suppose an analyst who prepared the solutions and coried out the RI measurements was not skilled and as a result of poor technique, allowed intemediate errors to appear. The resuits are the following Concentration of solution in percent ( 10 26 33 50 61 Refractive indices ty) 1.497 1.493 1.485 1478 1.477 Step 1. Carefully piot the given x and y values (from the tabie) on a regular graphing paper (or milimeter graphing poper - it avaiable, preferred for precision). Label then connect the points to observe a zigzog plot due to the scattered points. Slep 2. Copy and fil the given table (belowjon the top part of your grophing paper, after your student detais to commence with inear regression. For uniformity, ALL computed values to be filed in this tabie wil be rounded-off to the 3 decimal place. The values obtained in this table are REAL numbers with either positive or negative integers). to be included in the summation for each column. For answers withexponents, copy the base number in decimal form up to the 3 decimal ploce then add the "x10" (example: 1.234x 10). Since this is a guided quiz. Ihave included some answers in red ink) to help you through the activity, Remember. "there is no shortcut to success". Double check answers before proceeding (x - X) (x - X)2 676.000 (y - 9) 0.011 (y - 9) 1.210x104 (x - X) (y - ý) 10 -26.000 1.497 -0.286 26 1.493 33 1.485 50 1.478 61 1.477 E= 180.000 E= E=7.430 Σ -EviN =36.000
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 53E
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