10. Is there a correlation? _ If yes, what function family? What is the equation that describes this data? ____________ If linear, what is the correlation coefficient? _ What does this mean? _ What is the coefficient of determination? Is this equation a good one to use for predictions? Why? ______________________________ 11. The National Oceanic and Atmospheric Administration tracks the amount of oysters harvested from the Chesapeake Bay each year. a) Is there a correlation? If so, describe the shape and strength. If no correlation, go on to #12, if there is a correlation, complete the parts below. b) The regression equation that describes this: c) Based on this, how much was harvested in 1931? _ d) What does x = 60 represent? e) Find the value of f(x) when x = 60 _ What does this mean in context? ____________________________________________________________________ x 1.1 1.9 2.4 4.1 4.6 6 8.1 8.3 9.1 9.8 y 10 25 41 261 439 2,041 18,271 22,130 56,151 119,550 Years since 1900 10 20 43 52 84 89 Oysters (metric tons) 36 20.6 9.24 8.22 2.73 2.25

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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Related questions

Question

10.
Is there a correlation? _______ If yes, what function family? __________________
What is the equation that describes this data? ______________________________
If linear, what is the correlation coefficient? ___________ What does this mean? _______________
What is the coefficient of determination? ____________ Is this equation a good one to use for
predictions? Why? ____________________________________________________________
11. The National Oceanic and Atmospheric Administration tracks the amount of oysters harvested
from the Chesapeake Bay each year.
a) Is there a correlation? If so, describe the shape and strength.
If no correlation, go on to #12, if there is a correlation, complete the parts below.
b) The regression equation that describes this: ________________________
c) Based on this, how much was harvested in 1931? _____________________________
d) What does x = 60 represent? ______________
e) Find the value of f(x) when x = 60 ___________ What does this mean in context? __________
__________________________________________________________________________
x 1.1 1.9 2.4 4.1 4.6 6 8.1 8.3 9.1 9.8
y 10 25 41 261 439 2,041 18,271 22,130 56,151 119,550
Years since 1900 10 20 43 52 84 89
Oysters (metric tons) 36 20.6 9.24 8.22 2.73 2.25

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