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# Elementary statistics - Essay Example

Summary
The results for three months are shown below. Find the mode, median mean and range of hours Maria spent each week exercising. Show all work.
The systolic blood pressure of an 18-year woman is normally…

## Extract of sample"Elementary statistics"

Download file to see previous pages What can you conclude from Chebychev’s theorem about the percentage of adults in the town whose heights are between 59.7 and 72.9 inches? Show all work.
5) Find the z-score corresponding to the given value and use the z-score to determine whether the value is unusual. Consider a score to be unusual if its z-score is less than –2.00 or greater than 2.00. Round to the nearest hundredth if necessary.
Combinations and permutations are concepts related. The central difference is the order. For example, in a permutation the order is important. The same set of objects, but taken in a different order will give different permutations. In a combination, we select objects from a total of , but the order is no longer required. (Spiegel, 2000)
Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the Binomial Probability Formula to find the probability of x successes given the probability p of successes on a single trial. (5 pts)
normal distribution: The normal distribution is the curve that resemble a bell curve and it is referred to as Gaussian distribution. Normal distributions are symmetrical with a single central peak at the mean of the data.
standard normal distribution: Standard normal distribution is a special case of the normal distribution. It is distribution that occurs when a normal random variable has a mean , and a standard deviation ...Download file to see next pagesRead More
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