need complete solution for all

TEST IV: Calculate the value of the finite correction factor given th solution. 1. N= 50 and n - 2 2. N - 120 and n = 15 3. N= 100 and n - 20 4. N - 150 and n - 20 5. N -90 and n = 10 TEST V: PROBLEM SOLVING. Analyze and then solve the following problems with complete solution. Use separate sheet if necessary. 1. Find the variance and the standard deviation of the following frequency distribution, Complete the table X P(X) X. P(X) X-.P(X) 0 0.015 0.025 0.100 0.150 0.040 0.050 0.250 0.140 0.060 0.080 0.090 2. A population consists of seven values ( 3, 4 , 5, 6, 7, 8, 9 ). A sample of size 2 is to be taken from this population. Compute for the variance and standard deviation of the sampling distribution of the sample mean. 3. A variable is normally distributed with u - 120 and Gg = 10. Find the z- score corresponding to the following raw scores. Raw scores Z- score 1. 85 2. 95 3. 100 4. 125 5. 130