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Metfan725

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Question 1

Use the regression feature on your calculator to solve the problem.

Consider the data showing the average life expectancy of human beings in various years.



Find the regression line. Let the year 1900 represent x = 0.
◦ y = -0.11.2x + 23.1
◦ y = 0.15x + 60.9
◦ y = 8.3x + 22.1
◦ y = 0.37x - 21.8

Question 2

Use the regression feature on your calculator to solve the problem.

Consider the data showing the average life expectancy of human beings in various years.



Use the regression line to predict the average life expectancy in the year 2005. Let the year 1900 represent x = 0.
◦ 79.11
◦ 78.25
◦ 76.65
◦ 77.18


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Marked as best answer by Metfan725 on Jun 16, 2021

234sdffa

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Metfan725

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Reply 2 on: Jun 16, 2021
YES! Correct, THANKS for helping me on my review


DylanD1323

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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