4.4 The general manager of a large engineering firm wants to know whether the experience of techni- cal artists influences their work quality. A random sample of 50 artists is selected. Using years of work experience (EXPER) and a performance rating (RATING, on a 100-point scale), two models are estimated by least squares. The estimates and standard errors are as follows: Model 1: Model 2: RATING=64.289 +0.990EXPER N-50 R²=0.3793 (se) (2.422) (0.183) RATING=39.464+15.312 In(EXPER) N46 R²=0.6414 (4.198) (1.727) (se)
4.4 The general manager of a large engineering firm wants to know whether the experience of techni- cal artists influences their work quality. A random sample of 50 artists is selected. Using years of work experience (EXPER) and a performance rating (RATING, on a 100-point scale), two models are estimated by least squares. The estimates and standard errors are as follows: Model 1: Model 2: RATING=64.289 +0.990EXPER N-50 R²=0.3793 (se) (2.422) (0.183) RATING=39.464+15.312 In(EXPER) N46 R²=0.6414 (4.198) (1.727) (se)
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 64E
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