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Exam DA0-001 topic 1 question 110 discussion

Actual exam question from CompTIA's DA0-001
Question #: 110
Topic #: 1
[All DA0-001 Questions]

Which of the following is a non-parametric test?

  • A. One-sample t-test
  • B. Two-way ANOVA
  • C. Correlation coefficient
  • D. Spearman’s rank correlation
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Suggested Answer: D 🗳️

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Swift_and_Quick
6 months, 3 weeks ago
D. Spearman’s rank correlation. Spearman’s rank correlation coefficient is a non-parametric measure of statistical dependence between two variables. It assesses how well the relationship between two variables can be described using a monotonic function. Unlike the one-sample t-test, two-way ANOVA, and correlation coefficient, Spearman’s rank correlation does not assume a specific distribution for the data and does not require the variables to be normally distributed. Therefore, it is considered a non-parametric test.
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