Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to many different colleges and universities.*
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* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 33 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.
The "average" value of a data set. It is obtained by dividing the sum of the values by the number of values in the set.
Median
The value that is in the "middle" of a data set when the set is arranged from least to greatest.
Median Class
The bin that contains the median value. This is the most precise measurement we can obtain when we are looking at data that have already been categorized.
Mode
The most frequently appearing number in a set of quantitative data or most frequently occurring category in a set of qualitative data.
Summation Notation
A notation that uses the Greek letter sigma to state that values should be added together.
Weighted Mean/Average
A way of calculating a mean when not all the values count for the same amount. Each value should be multiplied by its weight and added together, then divide the sum by the sum of the weights.
