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Exam CSSBB topic 1 question 67 discussion

Actual exam question from ASQ's CSSBB
Question #: 67
Topic #: 1
[All CSSBB Questions]

For the data set shown here which of these statements is/are true?


  • A. Hypothesis Testing of Means or Medians cannot be done since there are an unequal number of observations for the 3 samples
  • B. A Paired T-test would be applicable for comparing Grade B and Grade A since they follow each other in the data set
  • C. Grade A has the lowest sample Mean of the 3 samples
  • D. Grade A has a higher sample Mean than Grade B
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Suggested Answer: C 🗳️
by javed_arshad at May 16, 2021, 10:35 a.m.

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javed_arshad
3 years, 7 months ago
Grade C has the lowest mean not A
upvoted 1 times
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