1. For the Quadratic Model, use the values from the table assigned individually to answer QR-4 and QR-6.
2. For the Exponential Model, use the values from the attached table individually to answer ER-4 and ER-5.
Quadratic Regression (QR)
Data: On a particular day in April, the outdoor temperature was recorded at 8 times of the day, and the following table was compiled.
|
Time of day
(hour)
x
|
Temperature
(degrees F.)
y
|
|
7
|
35
|
|
9
|
50
|
|
11
|
56
|
|
13
|
59
|
|
14
|
61
|
|
17
|
62
|
|
20
|
59
|
|
23
|
44
|
Exponential Regression (ER)
Data: A cup of hot coffee was placed in a room maintained at a constant temperature of 69 degrees.
The temperature of the coffee was recorded periodically, and the following table was compiled