What is sample size and why is it important? Sample size refers to the number of participants or observations included in a study. ... The size of a sample influences two statistical properties: 1) the precision of our estimates and 2) the power of the study to draw conclusions.
If a pair of Organisms are capable of producing fertile offspring in nature they must belong to the same species
Answer:
Last electron level
Explanation:
Valance electrons are always in the outside level!
Hope this helps!