Lesson variability comparison

In September, students missed the following number of lessons:
Girls: 2; 0; 7; 8; 2; 2; 4;
Boys: 4; 4; 0; 3; 10; 3; 8;
Compare the variability of both statistical files.

Your answer:

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You need to know the following knowledge to solve this word math problem:

statistics

mean
standard deviation
variance

Grade of the word problem

high school

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