To find: The
Answer to Problem 14CQ
The
Explanation of Solution
Given information:
The sample is
Concept used:
Excel formula is used.
Calculation:
The point estimate for the difference is,
The formula for degree of freedom is,
Assume level of significance as
For
The formula for margin of error is,
The confidence interval is given as,
Therefore, the
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Chapter 10 Solutions
Elementary Statistics 2nd Edition
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill