Which of the Following Confidence Intervals Also Indicates a Significant

question 27

Multiple Choice

Which of the following confidence intervals also indicates a significant difference between treatments with α = .05?

• A)Estimate that μ₁ - μ₂ is in an interval between 2 and 10 with 90% confidence.
• B)Estimate that μ₁ - μ₂ is in an interval between -2 and 8 with 90% confidence.
• C)Estimate that μ₁ - μ₂ is in an interval between 2 and 10 with 95% confidence.
• D)Estimate that μ₁ - μ₂ is in an interval between -2 and 8 with 95% confidence.

---

Definitions:

Nucleosome

A structural unit of a eukaryotic chromosome, consisting of a length of DNA coiled around a core of histone proteins.

Histones

Proteins found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes.

Rosalind Franklin

A significant figure in the discovery of the DNA double helix structure, known for her work using X-ray crystallography.