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David Lane normal distribution
Which of the following statements are TRUE about the Normal Distribution? Check all that apply.
a. 50% of the data values lie at or above the mean.
b. A z-score is the number of standard deviations a specific data value is from the mean of the distribution.
c.The graph of the Normal Distribution is bell-shaped, with tapering tails that never actually touch the horizontal axis.
d. Data values farther from the mean are less common than data values closer to the mean.
e. The mean corresponds to the z-score of 1.
f. About 95% of all data values lie within 1 standard deviation of the mean.
g. The Empirical Rule only applies when a value is exactly 1, 2, or 3 standard deviations away from the mean.
h. Data values are spread evenly around the mean.
I. The distribution is symmetric with a single peak.
J. The mean, median and mode are all equal and occur at the center of the distribution.
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