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2. Suppose the relationship between your study time and your grade on a Biology midterm is given by the following table:

What is the "marginal grade improvement (MGI)" of the 5

points

If you study for | Your grade will be |
---|---|

4 hours | 78 |

5 hours | 92 |

6 hours | 93 |

What is the "marginal grade improvement (MGI)" of the 5

^{th}hour of studying?points

Hint

Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172

Enter DNE for Does Not Exist, oo for Infinity

3. What is the "marginal grade improvement (MGI)" of the 6

points

^{th}hour of studying?points

Hint

Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172

Enter DNE for Does Not Exist, oo for Infinity

4. Why might the MGI be diminishing?

Hint

Box 1: Enter your answer as text. This question is not automatically graded.