
### Instruction: help me answer this question Find the mean and variance for the data 6, 7, 10, 12, 13, 4, 8, 12., 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 9. The variance is calculated as the sum of (xi - x_mean)^2 divided by the number of observations, which comes out to be 9.25. , The answer is The mean of the data is 9 and the variance is 9.25.
