Key words

Question 1

Accuracy

Answer 1

The accuracy of a measurement is how close a result comes
to the true value.
ACcurate is Correct (or Close to real value)

Question 2

Precise

Answer 2

Precision is how consistent results are when measurements are
repeated.
PRecise is Repeating (or Repeatable)

Question 3

Repeatable results

Answer 3

A measurement is repeatable if the SAME person repeats the

experiment using same meth

Question 4

Reproducile results

Answer 4

A measurement is reproducible if ANOTHER person (or the same
person using DIFFERENT equipment/method) can get the same
results.

Question 5

Anomalous Results

Answer 5

Anomalous results: Anomalous results don’t fit the pattern and
should be ignored and not included in the mean.

Question 6

Validity

Answer 6

Validity is how well a test measures what it is supposed to measure

Question 7

Representative Data

Answer 7

A representative sample is one that accurately represents, reflects, or “is like” your population.

Question 8

Resolution

Answer 8

The smallest, perceptible of a measurement reading

Question 9

Independent variable

Answer 9

The variable you CHANGE to see what happens

Question 10

Dependent variable

Answer 10

The variable you MEASURE

Question 11

Control variable

Answer 11

A variable that must be kept the SAME to prevent it affecting your results