Mathematics, 02.07.2021 02:40 magaaalimartinez

An article in the Australian Journal of Agricultural Research "Non-Starch Polysaccharides and Broiler Performance on Diets Containing Soyabean Meal as the Sole Protein Concentrate" (1993, Vol. 44(8), pp. 1483â1499) determined that the essential amino acid (Lysine) composition level of soybean meals is as shown here (g/kg): x=c(22.2, 24.7, 20.9,26,27,24.8,26.5,23.8,25.6,23.9 )
a. Construct a 99% two-sided confidence interval for the population variance. (,)
b. Calculate a 99% lower confidence bound for the population variance.
c. Calculate a 90% lower confidence bound for the population standard deviation.
d. Calculate a 95% two-sided confidence interval for the population mean. (,)
e. If we want to predict the 11th observation, find a 95% prediction interval on this future observation. (,)

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An article in the Australian Journal of Agricultural Research "Non-Starch Polysaccharides and Broile...

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