(I If Two Sets of Data Are in Different Units

question 79

Multiple Choice

(i. If two sets of data are in different units, we can compare the dispersion by using coefficient of variation. (ii) A study is made of the commissions paid to furniture salespersons. If the standard deviation is computed, it would be measured in dollars squared.
(iii) The coefficient of variation is a measure of relative dispersion.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements, but not (i).
• E) (i), (ii) and (iii) are all false statements.

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Definitions:

Green Olivine

A green-colored, magnesium-iron silicate mineral often found in igneous rocks, indicative of certain geological conditions.

Mantle

The thick layer of rock between Earth's crust and its outer core, responsible for plate tectonics and volcanic activity due to convection currents.

Proton

Principal particle of an atomic nucleus with a positive charge.

Neutron

A subatomic particle that contributes mass to a nucleus and is electrically neutral.