The durations (minutes) of 26 electric power outages in the community of Sonando Heights over the past five years are shown 58 3 16 29 68 25 48 33 100 47 31 50 26 4 88 41 18 25 9 23 20 13 48 17 14 E Click here for the Excel Data File (a) Find the mean, median, and mode. (Round your answers to 2 decimal places.) Descriptive Statistics Data Mean 33.19 Median 25.5 Mode 9. (b) Are the mean and median about the same? No M, the mean is less than v the median. (c) Is the mode a good measure of center for this data set?
Continuous Probability Distributions
Probability distributions are of two types, which are continuous probability distributions and discrete probability distributions. A continuous probability distribution contains an infinite number of values. For example, if time is infinite: you could count from 0 to a trillion seconds, billion seconds, so on indefinitely. A discrete probability distribution consists of only a countable set of possible values.
Normal Distribution
Suppose we had to design a bathroom weighing scale, how would we decide what should be the range of the weighing machine? Would we take the highest recorded human weight in history and use that as the upper limit for our weighing scale? This may not be a great idea as the sensitivity of the scale would get reduced if the range is too large. At the same time, if we keep the upper limit too low, it may not be usable for a large percentage of the population!
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