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MATH 120 WEEK 6 BOOK EXAM 2023 GRADED A+ QUESTIONS & ANSWERS $9.99   Add to cart
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MATH 120 WEEK 6 BOOK EXAM 2023 GRADED A+ QUESTIONS & ANSWERS
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  • Course
  • MATH 120
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  • MATH 120

Based on the linear regression, how much would you expect a 0.55 carat diamond to cost? $1,800 $2,100 $2,500 $2,900 2. Based on the linear regression, how much would you expect a diamond that costs $5,500 to weigh? 0.72 carats 0.78 carats 0.81 carats 0.90 carats

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  • September 20, 2023
  • 9
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • math 120
  • math 120 week 6 book exam 2023 graded a questions

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  • MATH 120
  • MATH 120

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MATH 120 WEEK 6 BOOK EXAM 2023 GRADED
A+ QUESTIONS & ANSWERS
1.
Based on the linear regression, how much would you expect a
0.55 carat diamond to cost?
$1,800

$2,100

$2,500

$2,900
2.
Based on the linear regression, how much would you expect a
diamond that costs $5,500 to weigh?
0.72 carats

0.78 carats

0.81 carats

0.90 carats
3.
You're surprised to learn that instead of ~$100, a 0.30 carat
costs ~$800 carats. Which explanation would make sense?

The linear regression is not accurate at predicting the cost of diamonds
below 0.40 carats.

There is a fixed cost associated with procuring the diamond and offering it for
sale, meaning that small diamonds have a relatively high price.

The diamond is very high quality as measured by other metrics (e.g., cut,
clarity, color).

All of the above.
4.
If a residual is negative, what does it mean about the observed




/

, value?
The predicted value is greater than the observed value.

The predicted value is equal to the observed value.




/

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