- Key Concept Check
9. Summarize What are
median, mean, and mode

The median is the middle number in a sorted collection of numbers. The mean is the average number in a collection of numbers. The mode is the most frequent number in a collection of numbers.

Explanation:

Median, mean, and mode are all math concepts pertaining to data sets. Hope this helped :)

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.