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The normal distribution is the most widely known and used of all distributions Because the normal distribution approximates many natural phenomena so well, it
Normal Distribution Lab Goal: To gain experience with the normal distribution, both by hand and with the computer Part 1 – Sketching Normal Distributions
State the four properties of a normally distributed data set: • The graph has a bell-shaped curve • The graph is symmetrically shaped below and above the mean
The central value in a normal distribution is the value that occurs most often in the data set (i e the mode) It is also the average value in the data set (
There are many sets of data you could collect from people in your group, such as heights, weights, length of time breath can be held, etc However, you will
distribution called the normal distribution It was noted that many real data sets can reasonably be treated as though they were a random sample from the
b) interpret and compare z-scores for normally distributed data; Using a graphing utility, find the standard deviation of the data set, including the
The standard normal curve can represent a probability distribution of a set of data that has been transformed into z-scores The standard normal
Normally distributed data sets are common in the real world Real world observations that represent sums or averages of other numbers often have histograms
set of data ? This variable has a mean of 100 and a standard deviation of 15 ? The curve that is drawn over the histogram is the Normal curve, and it