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pls help me out this is rush thanks A. The 4 students of Access Computer College have the allowances P3, P6, P9, and P12. A

pls help me out this is rush thanks
A. The 4 students of Access Computer College have the allowances P3, P6, P9, and P12. A sample size 3 is to be taken from this population. A1. How many samples are possible? List them and compute the mean of each sample? (10 points) B. Solve what is missing (5 points) X X2 21 22 30 30 11 EX = EX'= B1. Find the variance of the population (5 points) B2. Find the standard deviation of the population (5 points)

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