The grades of 10 students in their first management test are shown below. 
a.
Construct a frequency distribution.Let the first class be 60 - 69.
b.
Construct a cumulative frequency distribution.
c.
Construct a relative frequency distribution.
Definitions:
Carotid Artery
A major artery that supplies blood to the brain, neck, and face.
Ventricles
The two lower chambers of the heart, or the four connected cavities in the brain, each having specific functions related to circulating blood or cerebrospinal fluid.
Internuncial Neurons
Neurons that act as intermediaries between sensory and motor neurons in the nervous system.
White Matter
Tissue in the brain and spinal cord made mostly of myelinated axons, facilitating the transmission of nerve signals.
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