Answer:
Following are the solution to the given question:
Step-by-step explanation:
The data provided
Statistics descriptive: data
Sum of total
Variable Count Mean StDev Variance Sum Squares
Data [tex]1\ \ 12 \ \ 1.6810 \ \ 0.00429 \ \ 0.00002 \ \ 20.1720 \ \ 33.9093[/tex]
Null hypothesis: [tex]H_o: \mu= 1.68[/tex]
The alternative hypothesis: [tex]H_1 : \mu \neq 1.68[/tex] (The tailed two test)