SAT Maths•MCQs
+4-1
A square field measures 10 meters by 10 meters. Ten students each mark off a randomly selected region of the field; each region is square and has side lengths of 1 meter, and no two regions overlap. The students count the earthworms contained in the soil to a depth of 5 centimeters beneath the ground's surface in each region. The results are shown in the table below:
Region A: 107 earthworms
Region B: 147 earthworms
Region C: 146 earthworms
Region D: 135 earthworms
Region E: 149 earthworms
Region F: 141 earthworms
Region G: 150 earthworms
Region H: 154 earthworms
Region I: 176 earthworms
Region J: 166 earthworms
Which of the following is a reasonable approximation of the number of earthworms to a depth of 5 centimeters beneath the ground's surface in the entire field?
Choose an option