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.
Re: Hardie Plank (per Square Rate Of Installation) In windy areas you need to nail the botton outside corners of the panel down. We use a finish nail gun with a 2 inch nail for this. Make sure you practice hold the gun square and flat to the surface you are nailing or you might blow the corner out.