For the data set shown here which of these statements is/are true? Grade A Grade B Grade C 0.917 1.1 0.63 0.68 0.173 4.17 1.74 0.24 0.6 0.3 0.67 0.84 0.33 6.94 0.22 4.13

Question

Options

• AHypothesis Testing of Means or Medians cannot be done since there are an unequal number of observations for the 3 samples
• BA Paired T-test would be applicable for comparing Grade B and Grade A since they follow each other in the data set
• CGrade A has the lowest sample Mean of the 3 samples
• DGrade A has a higher sample Mean than Grade B

• A
  13% (3)
• B
  4% (1)
• C
  79% (19)
• D
  4% (1)

Explanation

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