Question

A group of 60 students are randomly selected to take a one-minute fitness test using a jump rope. Thirty students are in first grade and 30 students are in seventh grade. The following statistical information is calculated using the number of jumps completed in one minute. Based on these samples, what generalization can be made? 1st Grade Students 7th Grade Students Mean 132 107 Median 105 101 Range 72 63 O A. Seventh grade students can complete more jumps than first grade students. O B. Not enough information is provided to draw any of these conclusions. O C. First grade students can complete the same number of jumps as seventh grade students. D. First grade students can complete more jumps than seventh grade students.

Answer 1

7th Grade Students Mean 132 107 Median 105 101 Range 72 63 ???????

Letter D is the correct answer

The mean and median is higher for 1st grade students but it's range is also higher, this means that the points are more separated.