5th box -Flashcards

The "tail" of low-frequency values points in the positive direction, and toward the hill is negative. The mean is more than the median.

The sum of any two sides is greater than the third side.

On these types of problems, the units digit repeats every few powers. Write out them until it repeats, then extrapolate by counting from a multiple of the repeat interval.

n!/(r!*(n-r)!)