What Did Galileo Provide That No Astronomer Before Him Had

question 13

Multiple Choice

What did Galileo provide that no astronomer before him had?

• A) mathematical proof
• B) a spaceship
• C) the theory of heliocentrism
• D) empirical evidence

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Definitions:

Expected Frequencies

The anticipated counts in each category of a contingency table under the assumption that the null hypothesis is true, calculated from the proportions in the total sample.

Chi-square Statistic

A statistical measure used to assess the differences between observed and expected frequencies in one or more categories.

Expected Frequencies

In statistics, these are the counts predicted by a hypothesis test for categories in a contingency table, based on the distribution assumptions of the test.

Chi-square Statistic

The Chi-square statistic is a measure used in statistics to compare observed data with data expected under a specific hypothesis, often used in tests of independence.