When We Measure Distances to Very Faint Galaxies with Type

question 1

True/False

When we measure distances to very faint galaxies with Type Ia supernovae,the accuracy of the measurement is only as good as that of the calibration of the Cepheids.

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Definitions:

Bar Charts

Graphical representations using bars of varying lengths to show comparisons among categories.

Causes

Factors or conditions that directly bring about an effect or change in another variable or event.

Crosstabulation

A method of tabulating data that allows for the comparison of two or more variables by creating a matrix that displays their interaction.

Categorical Variables

Variables that represent types or categories that data can fall into; they can be nominal (no specific order) or ordinal (with some order or ranking).