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MATH 221 Statistics for Decision Making
Week 6 iLab
Name:___
Statistical Concepts:
•Data Simulation
•Confidence Intervals
•Normal Probabilities
Short Answer Writing Assignment
All answers should be complete sentences.
We need to find the confidence interval for the SLEEP variable. To do this, we need to find the mean and then find the maximum error. Then we can use a calculator to find the interval, (x – E, x E).