Lena is recording the number of points she misses on each math quiz. Here are her results for the last nine quizzes. 6, 4, 1, 6, 6, 8, 6, 6 ,8
Find the range and the mode for the data.

Range:
Mode:

The range of the data is the difference between the largest and smallest value. In this case, the largest value is 8 and the smallest value is 1.

Hence, the range is .

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The mode is the value that appears in a data set the most. When you arrange them in ascending order:

You can count that the value "6" appears five times, which is the most in this set.

Hence, the mode is 6.

answer: on graphs, the open and closed circles, or vertical asymptotes drawn as dashed lines us identify discontinuities.

as before, graphs and tables allow us to estimate at best.

when working with formulas, getting zero in the denominator indicates a point of discontinuity.

when working with piecewise-defined functions, check for discontinuities at the transition points where one piece ends and the next begins.

step-by-step explanation: