Shown Below Is a Portion of a Computer Output for Regression

question 6

Essay

Shown below is a portion of a computer output for regression analysis relating Y (dependent variable) and X (independent variable).
a. What has been the sample size for the above?
b. Perform a t test and determine whether or not X and Y are related. Let $\alpha$ = 0.05.
c. Perform an F test and determine whether or not X and Y are related. Let $\alpha$ = 0.05.
d. Compute the coefficient of determination.
e. Interpret the meaning of the value of the coefficient of determination that you found in d. Be very specific.

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Definitions:

Phosphate Group

A chemical group consisting of phosphorus bonded to four oxygen atoms, important in energy transfer.

Photorespiration

A process in plant metabolism where the enzyme RuBisCO oxygenates RuBP, wasting energy and reducing photosynthetic efficiency under certain conditions.

C3

A pathway in photosynthesis where the fixation of carbon dioxide produces a three-carbon compound as the first stable product.

C4

A photosynthetic pathway that efficiently fixes carbon dioxide in plants exposed to high light intensity and temperature, found in many grasses and crops.