In an natural observational study investigators
observe subjects and measure variables
of interest without assigning treatments to
the subjects
In an experimental study (inferential stat), data are used to make generalizations about a population based on a sample.
Hence the 1st question is an experimental.
Random and clumped is what i would sah
Balance is not an element of art
Border separating colonists from Native American lands.
Heavy taxes, placed on Colonists so they were never paid what they were owed for helping the British.
