Imagine performing a hypothesis test if an average age of co

Imagine performing a hypothesis test if an average age of college graduates is 31 years.
Will it be Left-Tailed, Right-Tailed or Two-Tailed test?

Solution

It is two tailed, because there are no words that suggest it is directional, like \"more than\", \"less than\", \"at least\" or \"at most\", or the likes.

Hence, it is TWO TAILED. [ANSWER]