Question

x: Percentage success for mallard duck nests y Percentage success for Canada goose nests (a) Use a calculator to verify that Dx205: Ex = 11:411: Ey = 200; and Ey = 9,999. (b) Use the results of part(a) to compute the sample mean, variance, and standard deviation for places the percent of successful mallard nests. Round your answers to two decimal the results of part alto compute the sample mean variance, and standard deviation for decimal places the percent of successful canada goose nests. Round your answers to two d) Use the results of parts b) and (c) to compute the coefficient of variation for successful mallardness and Canada goose nests. Round your answers to one decimal placa)

Answer 1

je n=5 solutich i let al: 58 11 K 75 53 Y: 69 24 33 18 st Ex = 205 Ex² = 11s11 Ey = 201 {y² = gggg b) = tex = 205 3= 15ex²nx? = (11511-5(412) (5² = 151.5 ] S= (S? = 17515 15=27.41 J = h ZY TJ = 50.27 5² _ t [28² nga - 2 [gggg- 5(40.27²] = 479.7 = √5 = √979.7 15= 21.90 CV = $x 100 - 21.90 xlou 30.2 d) cv = = x 100 = 27 41 X 100 = 66.8587 -54.5776 ev= [66.9"153.514