Question 1 (6 points) Match the formulae with what each will determine. Choose the best possible answer. 1. E(x-x)2 OR E(x-M)2 n-1 N Variance 2. fimi Efi Mean (regular) Mean (weighted) 3. Ex or n N Standard deviation 4. n+1 2 Median position 5. ) will i Cwi Mean (Intervals) i 6. E(x-x)2 OR E(x-x)2 n-1 N