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Statistics Assignment 3: Confidence Intervals, Assignments of Mathematics

Mathematics

Statistics Assignment 3: Confidence Intervals

Typology: Assignments

2025/2026

Uploaded on 12/13/2025

saad-42
saad-42 🇺🇸

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Statistics Assignment 3: Confidence Intervals
1. What is a confidence interval?
2. Explain what a 95% confidence interval means.
3. A sample mean is 50 with a standard deviation of 5 and n = 25. Is a confidence interval
appropriate? Why?
4. List two conditions required to use a t-interval.

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Statistics Assignment 3: Confidence Intervals

  1. What is a confidence interval?
  2. Explain what a 95% confidence interval means.
  3. A sample mean is 50 with a standard deviation of 5 and n = 25. Is a confidence interval appropriate? Why?
  4. List two conditions required to use a t-interval.