Math Problem Statement
Kace does not have a very good credit rating. In January of 2021, he found a lending institution that was willing to loan him $200,000 for 15 years at a higher than normal interest rate of 6% because of his poor credit rating. Examine the table of decreasing loan balances over the 15-year period. Use regression to determine a curve of best fit for this data.
Year Interest Principal Ending Balance 1 $11,769.23 $8,483.33 $191,516.67 2 $11,246.00 $9,006.57 $182,510.10 3 $10,690.49 $9,562.07 $172,948.02 4 $10,100.72 $10,151.84 $162,796.18 5 $9,474.58 $10,777.98 $152,018.20 6 $8,809.82 $11,442.75 $140,575.45 7 $8,104.05 $12,148.51 $128,426.94 8 $7,354.76 $12,897.80 $115,529.13 9 $6,559.25 $13,693.31 $101,835.82 10 $5,714.68 $14,537.89 $87,297.94 11 $4,818.01 $15,434.55 $71,863.38 12 $3,866.04 $16,386.52 $55,476.86 13 $2,855.36 $17,397.21 $38,079.66 14 $1,782.34 $18,470.23 $19,609.43 15 $643.13 $19,609.43 $-0.00
Solution
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Math Problem Analysis
Mathematical Concepts
Regression Analysis
Exponential Decay
Polynomial Regression
Financial Mathematics
Formulas
Exponential decay formula: B(t) = B_0 e^(-kt)
Polynomial regression: B(t) = at^2 + bt + c
Theorems
Exponential Decay Model
Polynomial Regression Model
Suitable Grade Level
College level, Financial Mathematics or Regression Analysis courses