1. a valid hypothesis is one that is
1. testable and rejectable
2.proven true
3.verified without external evidence
4.accepted by public opinion

2. which statement is true about recording data?
1.only numbers need to be recorded; other data can be omitted.
2.recorded data may be quantitative or qualitative.
3.data can be altered to allow for acceptance of your hypothesis.
4.as long as you can remember your data, you don’t need to write it down.

3. if a measurement is precise, it is highly repeatable or reproducible. true or false