In a Left-Tailed Test Comparing Two Means with Variances Unknown

question 88

Multiple Choice

In a left-tailed test comparing two means with variances unknown but assumed to be equal, the sample sizes were n₁ = 8 and n₂ = 12. At α = .05, the critical value would be:

• A)-1.960
• B)-2.101
• C)-1.734
• D)-1.645

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