Question 1159792
<pre>
On your TI-84, press STAT, choose EDIT, put DATA numbers in L1.

press STAT again, press right arrow key to highlight TESTS choose TInterval

Choose Data, List:L1, Freq:1, C-Level:0.90, Calculate ENTER

TInterval
(2182.8,2313.2)
x̅: 2298
Sx=262.7452505
n:16

2182.8 ≤ x ≤ 2413.2      <--answer for confidence interval

Edwin</pre>