You are responsible for planning the parking needed for a new 256-unit apartment complex, and you are told to base the needs on the statistic “average number of vehicles per household is 1.9.”

Question

Which average (mean, median, mode) would be best if:
• You wanted to be assured that every unit would have two parking spots?

Answer 1

Is the distribution normal, positively skewed or negatively skewed? The average (whichever) rounds to 2.

The mean is most influenced by deviant scores, so it would be the lowest in a negatively skewed distribution, having relatively more scores above it.

The mode would be lowest in a positively skewed distribution.

Answer 2

The mean