Answer true or false to the following:

(a) The mean, median, and mode can never all be the same.

(b) The mean is always one of the data points.

(c) The median is the same as the second quartile and the 50th percentile.

(d) For 67 sentences for murder recently imposed using U.S. Sentencing Commission guidelines, the median length was 160 months and the mean was 251 months. This distribution is probably skewed to the right.

For multiple-choice problems 3.72–3.74, select the best response.