Often the raw data itself is not normally distributed, but the logarithm of the data may in fact be a normally distributed set. To test if your numbers are log-normal, take the logarithm of each point, then apply one or all of the tests above.
Because labor costs vary across the country, the cost of adding Hardie board siding to a home depends on location. The Bureau of Labor Statistics show that as of May 2010, installers made a mean $21.10 per hour, with lows of $11.85 and highs of $34.45.
Installing with the manufacturer: In this instructional video, learn how to install James Hardie's HardiePlank Lap Siding. This video will outline the basics of installing James Hardie's fiber cement products. Get more information about installation here: http://www.jameshardie.com/builder/he...