3 find the exact value of 10 (paty) A point in quadrant IV is on the unit circle. If its x-coordinate is its y-coordinate. (Decimal approximations will NOT be accepted.) The y-coordinate is NOTE: If the answer involves a square root it should be entered as sqrt . For instance, the square root of 2 should be written as sqrt(2).

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.