Find a 95 Percent Confidence Interval for the Difference Between

question 95

Short Answer

Find a 95 percent confidence interval for the difference between means, where n₁ = 50,
n₂ = 36, ₁ = 80, ₂ = 75, s₁² = 5, and s₂² = 3. Assume unequal variances.

---

Definitions:

Research Topic

An area or subject that is being studied or explored through scientific or academic investigations.

Postal Sampling Frames

Postal sampling frames refer to a list or database of postal addresses used in selecting a sample for a research study, often used in survey research.

In-Person Surveys

A method of data collection where questionnaires are administered face-to-face with participants.

Postal Sampling Frames

Lists or databases used in research that are derived from postal addresses to create samples for surveys.