### Chapter 1 Looking at Data Distribution

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Chapter 1.3 Density Curves & Normal Distribution

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Across
8.The mean µ and standard deviation σ completely specify the Normal distribution N(μ, σ).
9.z = (x − µ)/σ how many standard deviations x lies from the distribution mean
Down
1.N(0, 1). normal random variable has a mean of zero and a standard deviation of one
2.probability that a randomly selected score < than or equal to a specified value
3.Described by bell-shaped, symmetric, unimodal density curves
4.A way to judge the adequacy of a Normal model.
5.Width of one, two and three standard deviations
6.Overall pattern of a distribution
7.x, subtract the mean of the distribution and then divide by the standard deviation

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