Everyone is expected to read the assigned experiment before coming to lab. The lab will run more smoothly and the whole lab experience should be more satisfying if you read the write-up ahead of time. Each squad must submit a lab report for each experiment performed. The following format is recommended and should be adhered to closely unless your instructor decides otherwise. Title of experiment, your name, date that experiment was performed, partner's names.
Percent error is used when comparing a result to an accepted value.
The average of the two measurement is probably closer to the actual value than either measurement. So, the average is used in the denominator. This section should be a concise, tabulated summary of your results. However, don't always expect to get accuracy this good. The nature of the experiment has a bearing on the expected accuracy.