struggling with a onetwo sample ttest problem From the ouput

struggling with a one/two sample t-test problem

From the ouput report that value of appropriate sample statistic (use correct symbol to identify.

To compute the standard deviation of the sampling distribtution (the standard error), you will need one other value. In this case, what is the symbol for the other value that you need, and what is its meaning?

state whether this is two tailed or not.

Solution

what is the symbol for the other value that you need,

s that is standard deviation of sample

2 tailed test because you will see if there is a effect, that it can be negative or positive