7th grade science Chapter 2 section 2 Vocab

Front

An approximation of a number based on reasonable assumptions.

Back

Estimate

Front

How close a measurement is to the true or accepted value.

Back

Accuracy

Front

How close a group of measurements are to each other.

Back

Precision

Front

All the digits in a measurement that have been measured exactly, plus one digit whose value has been estimated.

Back

Significant figures

Front

A calculation used to determine how accurate or close to the true value, an experimental value really is.

Back

Percent error

Front

The numerical average of a set of data.

Back

Mean

Front

The middle number in a set of data.

Back

Median

Front

The number that appears most often in a list of numbers.

Back

Mode

Front

The difference between the greatest value and the least value in a set of data.

Back

Range

Front

Data that do not fit with the rest of a data set.

Back

Anomalous data