Normal Distributions Quiz answers

Answer 1

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.