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Ray Of Light [21]
3 years ago
13

Which quadratic regression equation best fits the data set?

Mathematics
2 answers:
g100num [7]3 years ago
7 0
The 4th selection is appropriate.

_____
Desmos.com has a wonderful graphing calculator. They also have apps for Android and iOS phones and tablets. Of course, your TI-83/84 or equivalent will do this, too.

liberstina [14]3 years ago
7 0

Answer:

D. y=1.87x^2-5.16x+10.54

Step-by-step explanation:

The data set is given by,

x                                               y

1                                               5.9

2                                              8.9

3                                              13.4

4                                              20.1

5                                              30.1

6                                              45.1

7                                              67.7

Using the regression calculator, we see that,

<h3>The quadratic equation that best fits the data is y=1.87x^2-5.16x+10.54 as shown below.</h3>

Thus, option D is correct.

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