At the 1389 Battle of Kosovo

question 65

Multiple Choice

At the 1389 Battle of Kosovo,

• A) the Serbs defeated the Ottoman armies at Osman.
• B) Orkhan was able to defeat the Serbs and gain control of the Balkans.
• C) Murad's Janissaries defeated the Serbs, ending Serbian domination of the Balkans.
• D) the Serbian defeat created Ottoman hegemony over Abu Dhabi.
• E) the Serbs defeated the Bosnians at the Battle of Constance.

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Definitions:

Alpha Level

The probability of incorrectly rejecting the null hypothesis that is used by a researcher to decide whether an outcome of a study is statistically significant (most commonly, researchers use a probability of .05).

Statistical Significance

Rejection of the null hypothesis when an outcome has a low probability of occurrence (usually .05 or less) if, in fact, the null hypothesis is correct.

Probability Level

The threshold of significance, usually denoted as alpha (α), indicating the likelihood of observing the data if the null hypothesis is true.

Systematic Variance

The part of variance in a set of data that is attributable to identified sources or factors, as opposed to random or error variance.