Aquatic Biology (Vol. 9, 2010) reported on a study of green sea turtles inhabiting the Grand Cayman South Sound lagoon. The data on curved carapace (shell) length (in centimeters) for 76 captured turtles are saved in the TURTLES file. Descriptive statistics for the data are shown on the accompanying MINITAB printout.

a. Locate the range of the shell lengths on the printout.
b. Locate the variance of the shell lengths on the printout.
c. Locate the standard deviation of the shell lengths on the printout.
d. If the target of your interest is these specific 76 captured turtles, what symbols would you use to represent the variance and standard deviation?

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Descriptive Statistics: Length Variable StDev Mean 55.47 11.34 Maximum Range 81.63 51.26 Variance 128.57 Minimum 30.37 Length 76