2. Use Slovin's Formula to compute for the value of n (number of samples) needed if the percentage of error is set at 3%. Then compute for the number of samples needed in each Year Level using Stratified Proportional Sampling. Show your complete solution. POPULATION OF ENGINEERING STUDENTS Year Level Number of Students First Year 880 Second Year 640 Third Year 450 Fourth Year 370 Fifth Year 160 N=2500

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