Exhibit 13-6
Below You Are Given a Partial Computer Output $\beta$

question 5

Multiple Choice

Exhibit 13-6
Below you are given a partial computer output based on a sample of 16 observations.

-Refer to Exhibit 13-6. Carry out the test of significance for the parameter $\beta$ ₁ at the 1% level. The null hypothesis should be

• A)rejected
• B)not rejected
• C)revised
• D)None of these alternatives is correct.

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Definitions:

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in the air and absorbed by plants in photosynthesis.

Iron

A metallic element (Fe) that is vital for biological processes in humans and other organisms, such as oxygen transport and cellular metabolism.

Scrap Metal

Waste metal materials that can be recycled and reused, often collected from leftover products, buildings, or discarded industrial machinery.

Energy

The capacity to do work, manifest in forms such as heat, light, motion, and chemical bonds, essential to human society for various applications.