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Name: How sensitive to changes in water temperature are coral reefs? To find
Uploaded: 2024-03-20T07:07:12.000Z
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Description: How sensitive to changes in water temperature are coral reefs? To find out, scientists examined data on sea surface temperatures and coral growth per year at locations in the Gulf of Mexico and the Caribbean Sea. Scientists examined data on mean sea

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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How sensitive to changes in water temperature are coral reefs? To find out, scientists examined data on sea surface temperatures and coral growth per year at locations in the Gulf of Mexico and the Caribbean Sea. Scientists examined data on mean sea surface temperatures (in degrees Celsius) and mean coral growth (in centimeters per year) over a several‑year period at locations in the Gulf of Mexico and the Caribbean. The table shows the data for the Gulf of Mexico.

Sea surface temperature	26.726.7	26.626.6	26.6	26.526.5	26.326.3	26.126.1
Growth	0.850.85	0.850.85	0.790.79	0.860.86	0.890.89	0.920.92

(a) Use software to find the mean and standard deviation of both sea surface temperature ?x and growth ?y and then find the correlation ?r between ?x and ?.y. Enter your answers in the answer fields using the specific decimal place precision noted.

?¯ (rounded to four decimal places)=x¯ (rounded to four decimal places)=

?? (rounded to four decimal places)=sx (rounded to four decimal places)=

?¯ (rounded to two decimal places)=y¯ (rounded to two decimal places)=

?? (rounded to four decimal places)=sy (rounded to four decimal places)=

? (rounded to four decimal places)=r (rounded to four decimal places)=

(b) Use these basic measures to find the equation of the least‑squares line for predicting ?y from ?.x. Give the slope and the intercept, rounding both to four decimal places.

slope=slope=

intercept=intercept=

Every increase in sea surface temperature of one degree Celsius will result in an average of 0.15780.1578 more centimeters of coral growth per year.

Every increase in coral growth of one centimeter will result in an average of 5.255.25 fewer degrees Celsius of sea surface temperature per year.

Every increase in sea surface temperature of one degree Celsius will result in an average of 0.15780.1578 fewer centimeters of coral growth per year.

Every increase in coral growth of one centimeter will result in an average of 5.255.25 more degrees Celsius of sea surface temperature per year.

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