Indicate whether the following skewed distributions are positively skewed because the mean exceeds the median or negatively skewed because the median exceeds the mean.
1. A distribution of ages of attendees at an André Rieu concert with most attendees in their sixties and seventies.
2. An income distribution in Great Britain for the years 2003-2004 where themean was £408 while the median was £336.
3. A distribution of actors’ wages in 2008 where the median hourly wage was $16.59 and the mean hourly wage was $29.05.
4. A distribution academic physicians’ weekly computer use, ranging from 0 to 40hours, with a median of 8 hours and a mean of 9.7 hours.
5. A distribution of daily time spent doing homework by fourth graders in 2000with 43% reporting 30 minutes or less and 16% reporting more than 60 minutes.
6. A distribution of grade point averages of graduate students with most falling between 3.8 and 4.0 and very few less than 3.4.