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Drake Marketing and Promotions has randomly surveyed 200 men who watch professional sports.The men were separated according to their educational level (college degree or not) and whether they preferred the NBA or the National Football League (NFL) .The results of the survey are shown: Suppose a survey participant is randomly selected and you are told that he has a college degree.What is the probability that this man prefers the NFL?
Test Statistic
A standardized value that is calculated from sample data during a hypothesis test. It is used to determine whether to reject the null hypothesis.
Null Hypotheses
A statement that assumes there is no significant difference or effect in a population, and any observed difference is due to sampling or experimental error.
p-value
A measure used in statistical hypothesis testing to determine the significance of the observed data under a specific hypothesis, often testing if an effect exists.
Standard Deviation
A technique for quantifying the degree of variation or gap among a batch of numbers.
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