Tiny crystalline structure are usually found in magma when it cools off on earth's surface. A mixture of molten rocks, volatiles and solids that is beneath the earth's surface is called Magma. When the magma rises at the earth's surface and begins to cool off it is now called "lava".
The answer to your outstanding question is 3
Answer:
Chi-square analysis cannot be used to check for significant difference in the number of knee injuries among four sports.
Explanation:
The chi-square analysis is a statistical procedure that is used to test association between measured variables or goodness of fits of a set of measured variables to expected outcomes.
<em>In the case of testing for significant difference, chi-square analysis cannot be used as testing for significant difference in two or more means requires using t-test, analysis of variance, or any other relevant statistical procedure.</em>
To compare number of knee injuries reported among four sports for significant difference, the most suitable statistical procedure would be analysis of variance.
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