Ex.
f + g = y
-----------
3
3(f+g) = (y) 3
--------
3
f + g =3y
f - f + g = 3y - f
g = y - f
Mean = total score : frequency
mean x frequency = total score
so
83 = total score : 6
83 × 6 = total score
498 = total score
so the sum of the 6 test scores is 498
The answer is A) shifts right by 9 units
14 / 1.8 = 7.77777778
about 7.77777778 miles
but it depends on what the initail fee is
