need help with some statistics

Deronn

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Joined
Jul 30, 2019
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Find an expanded uncertainty assuming t-distribution, for the fourteen independent observation were: 6,45; 6,62;6,47;6,57; 6,62; 6,50; 6,55; 6,43; 6,58; 6,49; 6,60; 6,50; 6,56; 6,48
 
Can you show what you've tried, so our helpers know exactly where you're stuck or may be going wrong?
 
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