-The Diagram Shows a Light Curve from a Supernova

question 16

Multiple Choice

-The diagram shows a light curve from a supernova.About how long did it take for the supernova to reach its maximum luminosity?

• A)25 days
• B)50 days
• C)100 days
• D)200 days

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Definitions:

Statistical Analysis

Involves mathematical techniques for collecting, reviewing, analyzing, and drawing conclusions from data.

Experimental Design Validity

Using experimentation to show that a test measures a specific concept or construct. It is a type of construct validity.

Discriminant Validity

The measure of how much a test does not relate to variables or measures it should not be associated with.

Correlation Coefficient

The relationship between two sets of scores. Correlation coefficients range from +1 to -1 and generally are reported in decimals of one-hundredths. A positive correlation shows a tendency for scores to be related in the same direction, while a negative correlation indicates an inverse relationship.