An Experiment Was Performed on a Certain Metal to Determine

question 86

Short Answer

An experiment was performed on a certain metal to determine if the strength is a function of heating time. Results based on 10 metal sheets are given below. Use the simple linear regression model.
∑X = 30
∑X² = 104
∑Y = 40
∑Y² = 178
∑XY = 134
Determine the standard error.

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Definitions:

Ions

Atoms or molecules that have gained or lost one or more electrons, resulting in a net electric charge.

Radioisotopes

Isotopes of an element that are radioactive; they can be used in scientific research, medicine, and industry.

Biological Molecules

Complex molecules made from chains of organic compounds found within living organisms, including proteins, lipids, carbohydrates, and nucleic acids.

Acidic

Having a pH less than 7, characterized by a higher concentration of hydrogen ions, and capable of donating a proton in a chemical reaction.