| Hours Studied (x) | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 4 | |------------------|----|----|----|----|----|----|----| | Test Score (y) | 55 | 65 | 70 | 75 | 80 | 85 | 95 |
b) What does the slope mean in a real-world context? (Write a possible interpretation.)
c) Predict the y-value when x = 10: ________ lesson 2 homework practice lines of best fit
a) Positive or negative correlation? ___________________
b) Write the equation of your line: ___________________ | Hours Studied (x) | 0
c) Predict the test score for a student who studies : ________ 2. Age of Car vs. Value A used car dealer records the age of cars (in years) and their selling price (in $1000s).
| Age (years) | 1 | 2 | 3 | 4 | 5 | 6 | 8 | |-------------|---|---|---|---|---|---|---| | Price ($1000)| 20| 18| 15| 13| 10| 8 | 4 | Age of Car vs
d) Predict sales if the temperature is : $_______________