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A company set up a kiosk in the Mall of America for several hours and asked randomly selected people which color cell phone cover was their favorite. The results follow: What is the probability that orange is the favorite color, given that the person's age is less than 21?
Confidence Interval
A range of values, derived from a data set, that is likely to contain the value of an unknown population parameter, with a specified level of confidence.
Sample Size
The number of observations or data points that are collected in a sample.
Standard Deviation
A method to evaluate the level of uniformity or deviation among data points in a set.
Hourly Earnings
The amount of income earned by an individual per hour of work.
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