<h2>ANSWER : </h2>
<h2><<< In this case, the mode is 9 seconds. The median is the middle number in a list of numbers ordered from smallest to largest. so 10 is the median of this set of results. The range is the difference between the lowest value and the highest value, so the range here is 15 - 9 = 6. </h2>
The answer is D. It can't be considered a funtion unless each X value only has 1 Y value corresponding to it. In this problem, you see the X value 3 paired with -1 and 1.
