The accompanying table shows the regression results when estimating y = β0 + β1x + ε. 
a. Specify the competing hypotheses to determine whether x is significant in explaining y.
B) At the 5% significance level, is x significant in explaining y? Explain.
Definitions:
Cauda Equina
A bundle of spinal nerves and spinal nerve rootlets, located in the lumbar cistern, below the end of the spinal cord.
Spinal Nerves
Bundles of nerve fibers that connect the spinal cord to various parts of the body, facilitating communication between the brain and the rest of the body.
Spinal Cord
A long, thin, tubular bundle of nervous tissue and support cells that extends from the brain, facilitating communication between the brain and the rest of the body.
Medulla Oblongata
The medulla oblongata is a part of the brainstem that controls vital bodily functions such as breathing, heart rate, and blood pressure.
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