A random sample of 30 households was chosen from the particular neighborhood. The number of cars for each household is shown below. Determine the mean number of cars per household for population of households in this neighborhood. Provide the 95% confidence interval.
2 0 1 2 3 2 1 0 1 4
1 3 2 0 1 1 2 3 1 2
1 0 2 2 1 2 2 1 0 2