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Read two-way frequency tables

AP.STATS: UNC‑1 (EU), UNC‑1.P (LO), UNC‑1.P.3 (EK)

Problem

Researchers surveyed recent graduates of two different universities about their income. The following two-way table displays data for the sample of graduates who responded to the survey.
How many graduates in the sample came from University A?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
graduates
IncomeUniversity AUniversity B
Under dollar sign, 20, start text, comma, end text, 0003540
dollar sign, 20, start text, comma, end text, 000 to dollar sign, 39, start text, comma, end text, 9999063
dollar sign, 40, start text, comma, end text, 000 and over3537
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