A Regression Equation Was Estimated as = -100

question 49

Multiple Choice

A regression equation was estimated as = -100 + 0.5x.If x = 20,the predicted value of y is _____.

• A) −80
• B) −90
• C) 110
• D) 120

Understand the purpose and proper composition of transmittal messages.

Comprehend the importance of form and content customization in reports to meet specific reader needs.

Acknowledge the use of feasibility studies in problem-solving reports.

Grasp the concept of a structural coherence plan in guiding readers through a report.

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Definitions:

Molecular Bromine

A diatomic molecule, Br2, consisting of two bromine atoms, widely used in synthesis and in various industrial applications.

Lewis Acid

A chemical species that accepts an electron pair from a Lewis base to form a Lewis adduct, often involved in catalysis and various chemical reactions.

Base

Substances that accept protons according to the Brønsted-Lowry definition or donate electrons according to the Lewis definition, often part of chemical reactions as reactants.

IR Spectroscopy

A technique used to identify molecular vibrations by measuring the absorption of infrared radiation, useful in determining molecular structure.