Average hieght of students in our class

Aim: What is the average height of 8mt students.

Hypothesis: Average height of 8mt is 1.5 m

Equipment: Ruler

Method: Measure height of each student and record it on a tally chart

Results:

136-140 1
141-145 2
146-150 1
151-155 4
156-160 8
161-165 7
166+ 6

Discussion: The average height of 8mt students is 156-160. Our hypothesis was incorrect by 6 at the least and 10 at the most.