Answer :
In the given set of French pretest percentages the mean is is approximately 84.36,
the median is 84.5
and the mode, is 94.
The mean of a collection of numbers is the sum of all numbers in the collection, divided by the number of items in that collection.
For our data set, we add together all the percentages and then divide by the number of percentages that gives us the mean of approximately 84.36.
The median is the middle point of a data set. We first order the numbers from smallest to largest. Then, as the number of values in the data is an even number, we take the average of the two middle numbers.
In this case, we have 14 numbers, so we pick the 7th and 8th number, and then take their average.
It turns out that our median is 84.5.
The mode is the most frequently occurring number in a data set.
Therefore, in our data set, the mode is 94, as it shows up three times, more frequently than any other number.
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