Math Problem Statement
Let Y represent the profit (or loss) for a certain company X years after 1960. Based on the data shown below, a statistician calculates a linear model Y=0.38X+14.81.
xy
3
15.85
4
16.5
5
16.15
6
18.5
7
16.25
8
18.2
Use the model to estimate the profit in `1967
y =
Solution
To estimate the profit in 1967, we calculate first:
Step 1: Determine
Since represents the number of years after 1960:
Step 2: Use the linear model
The given model is: Substitute into the equation:
Step 3: Calculate
Final Answer:
The estimated profit in 1967 is:
Would you like a detailed explanation or assistance with related calculations?
Related Questions:
- How is the slope interpreted in the context of this problem?
- What would be the estimated profit in 1970 using this model?
- How does the actual profit for (from the table) compare to the estimated value?
- Can this linear model predict accurately beyond 1967? Why or why not?
- What is the intercept , and what does it represent in this scenario?
Tip:
Always check if the given data points closely align with the model for better reliability of predictions!
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Algebra
Data Modeling
Formulas
Linear model formula: Y = mX + b
Theorems
Slope-Intercept Form of a Linear Equation
Suitable Grade Level
Grades 8-10
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