Which of the following would be considered a source of error in an experiment

a) only three house flies were collected for an experiment

b) a beaker is knocked over and the contents are spilled on the floor

c) the data do not support the hypothesis

d) an incorrect average is calculated for the control group

A) only three house flies were collected for an experiment

Errors are what makes your measurement invalid and unreliable. There are two types of error which is called the systematic error and the random error. Each error has different sources. Words that were mentioned –invalid and unreliable are very important key aspects to determine that your measure is truly accurate and consistent. Some would recommend using the mean method, doing three trials in measuring and getting their mean, in response to this problem.