Question

the ethical principle that requires informing participants about the study and obtaining their agreement is called consent.
the sum of all values in a data set divided by the number of values gives the, or average.
protecting individuals is a critical aspect of ethical data collection.
the of a data set is calculated by subtracting the smallest value from the largest value.
when values in a data set are arranged in order, the is the middle value.

Explanation:

1. In research ethics, informed consent means participants are told about the study and agree to take part.
2. The mean (average) of a data set is calculated by $\frac{\text{sum of all values}}{\text{number of values}}$.
3. Protecting individuals' confidentiality is crucial in ethical data collection to keep personal info private.
4. The range of a data set is found by subtracting the smallest value from the largest ($\text{Range}=\text{Largest}-\text{Smallest}$).
5. When data is ordered, the median is the middle value.

Answer:

1. informed
2. mean
3. confidentiality
4. range
5. median