The following problems are descriptive statistics. (5% each)
(1) Discuss and distinguish between discrete and continuous values.
(2) A motor car traveled 3 consecutive miles, the first mile at x1 = 35
miles per hour (mph), the second at x2 = 48 mph, and the third at
x3 = 40 mph. Find the average speed of the car in miles per hour.
(3) What can be said about a sample of observations whose standard
deviation is zero?
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