
### Instruction: help me answer this question Find the mean and variance for the first 10 multiples of 3., think step by step
### Assistant: The mean is calculated as the sum of all observations divided by the number of observations, which comes out to be 16.5. The variance is calculated as the sum of (xi - x_mean)^2 divided by the number of observations, which comes out to be 74.25. , The answer is The mean is 16.5 and the variance is 74.25.
