Automobiles traveling on a road with a posted speed limit of 65 miles per hour are checked for speed by a state police radar system.The following is a frequency distribution of speeds.The following frequency distribution represents the number of hours studied per week by a sample of 50 students. 
The mean speed of the automobiles traveling on this road is the closest to ____.
Definitions:
DNA Fingerprinting
A technique used to identify individuals by analyzing characteristics or patterns within their DNA, often used in criminal investigations and paternity testing.
Human Insulin
A form of insulin identical to that produced by humans, used in the management of diabetes through injection or infusion.
Genetic Engineering
Process by which an individual’s genome is altered deliberately, in order to change its phenotype.
Chronological
Pertains to the arrangement of events or actions in the order of their occurrence in time.
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