can you please help me?

A sample of size 18 has been collected from a normal population with variance 3. and is saved in the variable with name 'data' in R. Below are some R output of the sample. > minimum) [1] 26 > lemma\") [1] 25.94444 > van-(data) [11 18.52614 > \"(and [1] 4.304201 Find the 68.3% confident interval for the unknown populahon mean. 0 [24.893 , 26.9957] 0 [24.6744,27.2145] 0 [25.4219 , 26.4670] 0 [25.1443 . 26.7446] 0 Non of them 0 [25.5362 . 26.3527]