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The square root of 69 is 8 something, right? ~ Drake
Hires root beer was not available for sale in 1866. Charles Hire a pharmacist did not start retailing his Root Beer until 1876 at the Philadelphia Centennial Exhibition.
The proof of sample variance involves calculating the sum of squared differences between each data point and the sample mean, dividing by the number of data points minus one, and taking the square root. This formula is derived from the definition of variance as the average of the squared differences from the mean.
100 square kilometers equals 100,000,000 square meters. Scroll down to related links and look at "Conversions of area (surface) units".
One square yard equals 9 square feet, so 35 and 5/9ths sq. yds. would equal 320 sq. ft.