Describe which scale you would use to measure the following random variables. State reasons for your choice and whether sample scale values correspond to population values.
(a) Gold, silver, and bronze medals in an Olympic competition.
(b) Letter grades of an examination in statistics.
(c) Iron content in an ore sample
(d) Artifacts found in a series of archaeological closed assemblages (e.g., graves).
(i) Types of artifacts.
(ii) Quantity of each type of artifact.
(e) Body length of a 3-year female sperm whale.
(f) Cross-classification of hair color versus eye color of a sample of school children.