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Two Means - Unknown, Unequal Variance
10. Hypothesis Testing for Two Samples / Two Means - Unknown, Unequal Variance / Problema 1
Problema 1

Consider the following two samples of test scores:
"Table showing test scores: Class A scores are 12, 18, 22, 27, 35; Class B scores are 15, 24, 38."
Which of the following options is a valid randomization of them?