William and Katherine both earned a B on the same science test, but William actually ranked ahead of Katherine on the test. William most likely ranked higher because the teacher used a

letter-grading system based on a range of numbers.
number-grading system based on a range of letters.
number-grading system based on a range of percentages.
letter-grading system based on a range of percentages.

Explain the difference between an independent and dependent sample. choose the correct answer below. a. in an independent sample, the individuals are chosen without replacement; in a dependent sample, the individuals are chosen with replacement. b. in a dependent sample, one would use a two-tailed hypothesis test; in an independent sample, one would use a one-tail hypothesis test. c. a sample is independent when an individual selected for one sample does not dictate which individual is to be in the second sample. a sample is dependent when an individual selected for one sample dictates which individual is to be in the second sample. d. a sample is independent when an individual selected for one sample dictates which individual is to be in the second sample. a sample is dependent when an individual selected for one sample does not dictate which individual is to be in the second sample. independent samples are often referred to as matched-pairs samples.

How did presidential reconstruction allow black codes to be passed

What was the primary purpose of the sibley commission in georgia? to schools across georgia integrate peacefully to discover how georgians felt about the issue of integration to lead non-violent protests to elect new civil rights leaders