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question 12

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Use the following information to answer the question. A humanities professor is interesting in learning whether there is a positive association between average online homework scores and the final class average in an online humanities course. The computer output below shows the results from a regression model in which the final class average was predicted by the average online homework score. Assume that the conditions of the linear regression model are satisfied.
Use the following information to answer the question. A humanities professor is interesting in learning whether there is a positive association between average online homework scores and the final class average in an online humanities course. The computer output below shows the results from a regression model in which the final class average was predicted by the average online homework score. Assume that the conditions of the linear regression model are satisfied.    -Choose the correct null and alternative hypothesis to test whether there is an association between final class average and average online homework scores. A) H0: The correlation is positive. Ha: The correlation is zero. B) H0: There is no linear association between the final class average and the average online homework score. H<sub>a</sub>: There is a positive linear association between the final class average and the average online homework score. C) H0: There is a linear association between the final class average and the average online homework score. H<sub>a</sub>: There is no linear association between the final class average and the average online homework score. D) None of these.
-Choose the correct null and alternative hypothesis to test whether there is an association between final class average and average online homework scores.


Definitions:

Atomic Nucleus

The atomic nucleus is the small, dense region at the center of an atom, composed of protons and neutrons, and is the core where most of an atom's mass is concentrated.

Ionizing Power

The ability of a chemical element or electromagnetic radiation to ionize atoms or molecules by altering their charge through the removal or addition of electrons.

Beta Particles

High-energy, high-speed electrons or positrons emitted by certain types of radioactive nuclei during radioactive decay.

Beta Emission

A type of radioactive decay where a beta particle (an electron or positron) is emitted from an atomic nucleus.

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