Probability Distributions
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Probability Distribution | provides probabilities for the possible values of a random variable; summarized by measures of the center (mean) and the spread (standard deviation)
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Random Variable | a numerical measurement of the outcome of a random event
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Expected Value | the mean of a probability distribution for a discrete random variable
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Normal Distribution | the probability distribution of a continuous random variable that has a symmetric bell-shaped graph specified by mean and standard deviation
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Standard Normal Distribution | it is the distribution of normal z-scores; the normal distribution with a mean = 0 and standard deviation = 1
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Binary Data | data that has one of two possible outcomes
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Binomial Distribution | the probability distribution of the discrete random variable that measures the number of successes X in n independent trials with the probability p of a success on a given trial.
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Sampling Distribution | the probability distribution of a sample statistic; specifies the probabilities for the values of the statistic for all possible random samples
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Sampling Distribution of the Mean | centered at the population mean
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Standard Error | the standard deviation that describes the spread of the sampling distribution of the sample mean
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Created by:
sonicnerd23
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