Note: All questions should be handed in. All or Selected QUESTIONS would be graded. 1. Use the data in exercise 3.72 on page 114 in the textbook. Obtain the a. range of the data. b. sample standard deviation of the data from the defining formula. C. sample standard deviation of the data from the computing formula3.72 Hurricanes. An article by D. Schaefer et al. (Journal of Trop- ical Ecology, Vol. 16, pp. 189-207) reported on a long-term study of the effects of hurricanes on tropical streams of the Luquillo Experi- mental Forest in Puerto Rico. The study showed that Hurricane Hugo had a significant impact on stream water chemistry. The following table shows a sample of 10 ammonia fluxes in the first year after Hugo. Data are in kilograms per hectare per year. 96 66 147 147 175 116 57 154 88 154