I don't know what I am doing wrong with this one but, could someone assist? You are performing a left-tailed matched-pairs test with 15 pairs of data. If a=.05a=.05, find the critical value, to two...

Can i have a step by step solution on the ti-84 please?

Extracted text: I don't know what I am doing wrong with this one but, could someone assist? You are performing a left-tailed matched-pairs test with 15 pairs of data. If a=.05a=.05, find the critical value, to two decimal places.