STAT200_ Week 6 Discussion

Does drinking coffee (or sodas with caffeine) influence the time someone is awake? Treat the table’s data below as valid (because it’s actually all made-up). These numbers represent how long 10 volunteers stayed awake performing some simple tasks:
1.9, 0.8, 1.1, 0.1, -0.1, 4.4, 5.5, 1.6, 4.6, 3.4

What does the single negative entry indicate?

Explain which formula you selected, then calculate the 95% confidence interval for the average time these volunteers can stay awake. Indicate what software you used for the actual #-crunching. You don’t need to show calculations but state which distribution you used, and why.

 

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