Examlex
A sample of 200 high school students were asked how many hours per week they spend watching television.The following frequency distribution presents the results. Construct a frequency polygon for the frequency distribution.
Antibacterial Soap
A type of cleansing product containing chemical ingredients intended to kill or inhibit the growth of bacteria.
Consumer Survey
A method of collecting data directly from a targeted group of consumers to understand their preferences, behaviors, and opinions on products or services.
Experiment
A research method involving the manipulation of one variable to determine its effect on another variable while controlling for extraneous variables.
Unbiased Coins
A coin for which the probability of landing on heads or tails is exactly equal, with no preference towards either side.
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