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[sammorato]

طيب دحين نرجع للسيكشن الاول الي ماكتبت فيه التعاريف رح احط التعاريف كلها حق اول سيكشن هنا :

STATISTIC: characteristic or measure obtained by using the data values from a sample.

PARAMETER: characteristic or measure obtained by using all the data values from a specific population.

MEAN: is the sum of the values , divided by the the total number

MEDIAN: is the mid point of the data array .

MODE: the value that occurs most often in a data set.

MIDRANGE: defined as the sum of the lowest and highest values in the data set divided by 2.

WEGHTED MEAN: multiplying each value by its corresponding weight and dividing the sum of the products by the sum of weights.

وهادي التعاريف واتمنى ماكون نقصت شي او غلطت في شي واذا صار ياريت لو تعدلو