How to get answer by Mimiwhatsup:

I think it’s A Im not completely sure tho.
5 is the mean of variable a I might be wrong
Answer:
T+V/I
Step-by-step explanation:
multiply both sides by I to get rid of fractions ti=V
128.309728
add all numbers together and divide by 50(there are 50 numbers)
find the difference of each number and 67.92(the mean)
add all these numbers together and divide by 50