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Observations on the yield of a chemical reaction taken at various temperatures were recorded as follows: X (°C) y(%) z (°C) H y(%) 150 75.4 150 77.7 150 81.2 200 84.4 200 85.5 200 85.7 250 89.0 250 89.4 250 90.5 300 94.8 300 96.7 300 95.3 What is the least square estimate of the intercept? Round-off final answer to 2 decimal places.

Observations on the yield of a chemical reaction taken at various temperatures were recorded as follows: X (°C) y(%) z (°C) H y(%) 150 75.4 150 77.7 150 81.2 200 84.4 200 85.5 200 85.7 250 89.0 250 89.4 250 90.5 300 94.8 300 96.7 300 95.3 What is the least square estimate of the intercept? Round-off final answer to 2 decimal places.

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Exponential And Logarithmic Functions
Section5.5: Exponential And Logarithmic Models
Problem 4ECP
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Observations on the yield of a chemical reaction taken at various temperatures were recorded as follows: X y(%) 2 (°C) (%) 150 75.4 150 77.7 150 81.2 200 84.4 200 85.5 200 85.7 250 89.0 250 89.4 250 90.5 300 94.8 300 96.7 300 95.3 What is the least square estimate of the intercept? Round-off final answer to 2 decimal places.
Transcribed Image Text:Observations on the yield of a chemical reaction taken at various temperatures were recorded as follows: X y(%) 2 (°C) (%) 150 75.4 150 77.7 150 81.2 200 84.4 200 85.5 200 85.7 250 89.0 250 89.4 250 90.5 300 94.8 300 96.7 300 95.3 What is the least square estimate of the intercept? Round-off final answer to 2 decimal places.
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