Consider the following set of data, which represents a simple random sample of heights (in inches) of fullgrown corn plants in Elephanteyetown, WI: (65.8, 62.1, 61.5, 66.6, 65.1, 60.3, 70.2, 69.1, 68.3, 62.1, 65.1, 63.7, 68.5, 71.4, 65.9, 63.8, 66.7, 63.3, 71.9, 56.8) Round your answers to 2 decimal places.(4 points)

• Calculate the range.
• Calculate the statistic that gives an estimate of the population mean.
• Calculate sample statistics to estimate the population standard deviation and variance of all fullgrown corn plants in Elephanteyetown, WI.