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The following table shows analyst sentiment ratings for the 30 stocks listed in the Dow Jones Industrial Average. (See the Excel Data File.)
A) Construct a frequency distribution, relative frequency distribution, cumulative frequency distribution and relative cumulative frequency distribution using classes of 2 up to 4, 4 up to 6, 6 up to 8, and 8 up to 10.
B) Construct a histogram that summarizes the data.
C) What percentage of the stocks in the Dow Jones Industrial Average received a sentiment rating less than 8?
D) What percentage of the stocks in the Dow Jones Industrial Average received a sentiment rating of 6 or more?
Reabsorption
The process by which substances are taken back into the bloodstream from bodily fluids; commonly associated with the kidneys reabsorbing nutrients and water.
Presynaptic Neuron
The neuron that sends a signal across the synaptic gap to a receiving neuron during neurotransmission.
Reuptake
The absorption by a presynaptic nerve ending of a neurotransmitter that it has secreted.
Synaptic Vesicles
Small structures within neurons that store neurotransmitters, which are released into the synaptic cleft to transmit neural signals.
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