For maths_stats_tutor- Looking for a response to this Statistics question ASAP

 

 I have observed the time, in hours, a random selection of ten of my colleagues who could stay awake at the extremely long-winded Dean’s meeting as soon as it started.  Oh, yes, one fell asleep even before the meeting started!

 

 

 

1.9

0.8

1.1

0.1

-0.1

4.4

5.5

1.6

4.6

3.4

 

 

 

 

 

What is a 95% confidence interval for the time my colleagues can stay awake on average for all of my colleagues?

 

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