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Excel Formulas: Logical Functions, Interpolation, and Variables

This chapter covers essential Excel formulas including logical functions such as IF, AND, and OR, demonstrating how to evaluate conditions based on cell values. It also introduces linear interpolation to estimate values between known data points, using population examples from 1970 and 1978. Additionally, the chapter highlights how Excel manages variables through cells and addresses, paralleling concepts found in programming languages like Matlab. Mastering these concepts is crucial for effective data analysis and manipulation in Excel.

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Excel Formulas: Logical Functions, Interpolation, and Variables

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  1. CS 221 Chapter 2 Excel

  2. In Excel: A1 = 95 A2 = 95 A3 = 80 A4 = 0 =IF(A1<A2),”T”,”F”)

  3. In Excel: A1 = 95 A2 = 95 A3 = 80 A4 = 0 =IF(A1<A2),”T”,”F”) T F CORRECT

  4. In Excel: A1 = 95 A2 = 95 A3 = 80 A4 = 0 =IF(AND(A3<A2,A4>0),”T”,”F”)

  5. In Excel: A1 = 95 A2 = 95 A3 = 80 A4 = 0 =IF(AND(A3<A2,A4>0),”T”,”F”) T F CORRECT

  6. In Excel: A1 = 95 A2 = 95 A3 = 80 A4 = 0 =IF(OR(A1<>A2,A4<=0),”T”,”F”)

  7. In Excel: A1 = 95 A2 = 95 A3 = 80 A4 = 0 =IF(OR(A1<>A2,A4<=0),”T”,”F”) T CORRECT F

  8. In Excel: A1 = 95 A2 = 95 A3 = 80 A4 = 0 =IF(AND(OR(A2<A3,A4<=0),A1>=A3),”T”,”F”)

  9. In Excel: A1 = 95 A2 = 95 A3 = 80 A4 = 0 =IF(AND(OR(A2<A3,A4<=0),A1>=A3),”T”,”F”) T CORRECT F

  10. Assuming 8000 is the population in 1970, 9000 is the population in 1978, use linear interpolation to estimate the population in 1974: 8200 8250 8400 8500 8600 8750

  11. Assuming 8000 is the population in 1970, 9000 is the population in 1978, use linear interpolation to estimate the population in 1974: 8200 8250 8400 8500 CORRECT 8600 8750

  12. Other Excel subjects to know: • Variables in Excel are kept in cells, addressed by cell addresses (not names as in Matlab) • Like Matlab, Excel has a built-in IF statement • Excel simulates loops by multiple rows

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