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.
Siding Installation Cost. Installation costs for any exterior siding will depend on the contractorâs experience, the architecture of your home, and the quality of materials chosen. For typical products, installation will normally cost anywhere from $4 to $9 per square foot.Vinyl siding is the easiest product to work with, which significantly lowers its installation costs. However, the most popular material throughout Vancouver is Hardie siding (fiber-cement).iding Installation Cost. Installation costs for any exterior siding will depend on the contractorâs experience, the architecture of your home, and the quality of materials chosen. For typical products, installation will normally cost anywhere from $4 to $9 per square foot.