What is the first step in solving quartiles, deciles and percentiles for ungrouped data? , A. Compute Q₁, Q₂, and Q₃ using formulas, B. Arrange the data from least to greatest, C. Determine the number of data points, D. Find the range of the data, Which formula is used to find the position of the second quartile (Q₂) in ungrouped data?, A. Q₂ =(n+1)/4, B. Q₂ = (n+1)/2, C. Q₂ = 3(n+1)/4, D. Q₂ = (n-1)/2, The numbers of students who submitted their homework in a week are: 2, 5, 7, 4, 3, 6, 8. What is the median (Q₂)?, 4, 6, 5, 7, The number of books borrowed by students in a library in a week: 1, 3, 2, 5, 4, 6, 7, 8. Find the first quartile (P70), 2, 5, 3, 6, Daily rainfall (mm) recorded for 9 days: 10, 12, 8, 5, 7, 6, 9, 11, 13. Find D8., 11, 14, 12, 15.

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