Question

SAT Scores Group 1 1520 1630 1480 1580 1400 1300 1700 1610 1580 1520 SAT Scores Group 2 1510 1480 2100 1800 1300 1250 1400 1430 1390 1520 SAT Scores Group 3 1620 1700 1520 1510 1530 1430 2000 1800 1410 1390 SAT Scores Group 4 1480 1570 1400 1800 1930 2150 1340 1580 1530 1610 The SAT scores of 4 groups of 10 students are shown. Which group has the greatest range?

Answer 1

Group 2 has the greatest range

Explanation:

From the data given we can find the range by this formula :

Range = Largest score - smallest score

Range of group 1 = 1700 - 1300 = 400

Range of group 2 = 2100 - 1250 = 850

Range of group 3 = 2000 - 1390 = 610

Range of group 4 = 2150 - 1340 = 810

400 < 610 < 810 < 850

Therefore, we can see that students of Group 2 has the greatest range.

Answer 2

In statistics, the range is the value of the largest number in a set minus the smallest number in the set. All four groups of student SAT scores have similar ranges, however the largest range is group 2 with a range of 850.