Normal Distributions Quiz answers
1. False - A normal distribution is a specific type of distribution that is symmetric and bell-shaped, with the mean, median, and mode all equal.
2. True - The Empirical Rule states that approximately 68% of the data falls within one standard deviation of the mean, 95% falls within two standard deviations, and 99.7% falls within three standard deviations.
3. False - In a normal distribution, the mean, median, and mode are all the same value.
4. True - The standard deviation is a measure of the dispersion or spread of the data in a normal distribution.
5. False - A normal distribution is always symmetric and bell-shaped, regardless of the mean and standard deviation values.