Question

The data below represents the bacterial growth in a liquid culture over a number of days.

Day |
0 | 4 | 8 | 12 | 16 | 20 |

Amount ×10^{6} |
67 | 84 | 98 | 125 | 149 | 185 |

Find a best-fit equation to the above data trend using polynomial regression with parabolic model given as:

? = ?_{?} + ?_{1}? +
?_{2}?^{2}

After calculating the values of a_{o}, a_{1},
and a_{2}, substitute these values in the above parabolic
model. Plot the given data and the obtained parabolic model in the
same plot area. Then predict the amount of bacteria after 35 days.
Also find standard deviation S_{y}, standard error of the
estimate S_{y/x}, and correlation coefficient r.

****don't use software for solving ,unless for
plotting.**

Answer #1

The mean number of days it rained in the month of August
for a 5-year period at a local airport was 7 with a standard
deviation of 2. The average amount of rainfall during that same
month and period at that airport was 9 inches with a standard
deviation of 3 inches.
Which variable has the lower relative variation?
amount of rainfall
number of days it rained
amount of rainfall but not the number of days it rained
neither
QQQQ...

Please answer the following Case
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How will the acquisition of Reebok by Adidas impact the structure
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