Given the Following Information About a Hypothesis Test of the Difference

question 123

Multiple Choice

Given the following information about a hypothesis test of the difference between two means based on independent random samples,which one of the following is the correct rejection region at a significance level of .05?

• A)Reject H₀ if t> 1.96
• B)Reject H₀ if t> 1.645
• C)Reject H₀ if t> 1.721
• D)Reject H₀ if t> 2.08
• E)Reject H₀ if t> 1.782

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Definitions:

Alleles

Variants of a gene found at the same place on a chromosome that determine distinct traits that can be passed from parents to offspring.

Recessive Alleles

Gene variants that can be masked by dominant alleles and are expressed only when two copies are present.

Dominant Alleles

Dominant alleles are versions of genes that produce a dominant trait which will express itself in the phenotype, even when only one copy is present.

Monozygotic Twins

Identical twins that originate from a single fertilized egg, splitting and developing into two embryos.