LIHINIJ Answer must be typed to four decimals Answer must be chosen from drop down menu Answer must be typed to either 2 or 3 decimals depending on...

Can you please help me answer my question. I have asked more than one tutor but the answer keeps saying it is wrong so this is my last try. please show proof but aslso but the answers clear and in order. Please tell me if it is t-crit or t-stat or zcrit or z-stat.