A Researcher Collects Data on the Distance Between College Students

question 65

Multiple Choice

A researcher collects data on the distance between college students' high schools and their colleges.He believes that the median distance is 200 miles.A random sample of 15 students yields the following data: At = .05, should the researcher's hypothesis be accepted or rejected?
You may use the following abbreviated table of critical values (two tailed, = .05) taken from Table
J:

• A)Reject because the test value 2 is less than the critical value 3
• B)Do not reject because the test value 4 is less than the critical value 13
• C)Reject because the test value 13 is more than the critical value 3
• D)Do not reject because the test value 13 is more than the critical value 3

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Definitions:

Valence Shell

The outermost shell of electrons in an atom that is involved in chemical bonding.

Electron Pair Repulsion Theory

A theory in chemistry that describes the shape of molecular structures in terms of the repulsive forces between electron pairs in the valence shell of the central atom.

Molecular Geometry

The three-dimensional arrangement of atoms within a molecule, determining its reactivity, polarity, phase of matter, color, magnetism, and biological activity.

Water Molecule

A compound consisting of two hydrogen atoms and one oxygen atom bonded together, forming H2O.