Question

The table below shows the number of runners in four marathons with times in various ranges. The times of the runners in which marathon represent an extreme distribution?Marathon AMarathon BMarathon CMarathon DGreater than 2:30 but less than 3:00122 139 155 171Greater than 3:00 but less than 3:30148 150 198 213Greater than 3:30 but less than 4:00179 188 244 268Greater than 4:00 but less than 4:30206 162 202 227Greater than 4:30 but less than 5:00267 134 161 189A. Marathon BB. Marathon CC. Marathon AD. Marathon D

Answer 1

In order to determine which of the data represent an extreme distribution, the data have to graphed in value vs density graph. After doing this, the shape parameter of the graph is determined. For shape parameters equal to -1/2, 0, and +1/2, the distribution is extreme. The answer is B. Marathon C