Find the value of the sum:
X + 327 = 10 + 237 = 337
Find the value of Sum I + Sum II:
Sum I: 2.906 + 16.728 + 2.1
Sum II: 1.569 – 5.77 – 0.023
If the value of ∑fixi = 199 and mean = 60, find the value of ∑fi?