lesson 3 of 5 · distributions, sampling, and variancelesson 3 of 5 · distributions, sampling, and variancelesson 3 of 5 · distributions, sampling, and variancelesson 3 of 5 · distributions, sampling, and variancelesson 3 of 5 · distributions, sampling, and variancelesson 3 of 5 · distributions, sampling, and variancelesson 3 of 5 · distributions, sampling, and variancelesson 3 of 5 · distributions, sampling, and variancelesson 3 of 5 · distributions, sampling, and variancelesson 3 of 5 · distributions, sampling, and variancelesson 3 of 5 · distributions, sampling, and variance
Write variance(values) so it returns the average squared distance from the mean. Compute the mean first, then average the squared distances.