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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Shell lengths of sea turtles. Refer to the Aquatic Biology (Vol. 9, 2010) study of green sea turtles inhabiting the Grand Cayman South Sound lagoon, Exercise 2.83 (p. 65). Research shows that the curved carapace (shell) lengths of these turtles has a distribution with mean μ = 50 cm and standard deviation σ = 10 cm. In the study, n = 76 green sea turtles were captured from the lagoon; the mean shell length for the sample wasÂ
 = 55.5 cm. How likely is it to observe a sample mean of 55.5 cm or larger?
Exercise 2.83
Shell lengths of sea turtles. 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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