Wildlife: Mallard Ducks and Canada Geese For mallard ducks andCanada geese, what percentage of nests are successful (at least oneoffspring survives)? Studies in Montana, Illinois, Wyoming, Utah, andCalifornia gave the following percentages of successful nests (Reference:The Wildlife Society Press. Washington. D.C.). x: Percentage success for mallard duck nests5685521339y: Percentage success for Canada goose nests2453606918 (a) Use a calculator to verify thatΣ x = 245, Σx? = 14.755, Σy = 224, and Σy? = 12.070.(b) Use the results of part (a) to compute the sample mean, variance, and standard deviation for x, the percent of successful mallard nests.(c) Use the results of part (a) to compute the sample mean, variance, andstandard deviation for y. the percent of successful Canada goose nests.(d) Interpretation Use the results of parts (b) and (c) to compute the coefficient of variation for successful mallard nests and Canada goosenests. Write a brief explanation of the meaning of these numbers. Whatdo these results say about the nesting success rates for mallardscompared to those of Canada geese? Would you say one group of data ismore or less consistent than the other? Explain.
Wildlife: Mallard Ducks and Canada Geese For mallard ducks and
Canada geese, what percentage of nests are successful (at least one
offspring survives)? Studies in Montana, Illinois, Wyoming, Utah, and
California gave the following percentages of successful nests (Reference:
The Wildlife Society Press. Washington. D.C.).
x: Percentage success for mallard duck nests
5685521339
y: Percentage success for Canada goose nests
2453606918
(a) Use a calculator to verify that
Σ x = 245, Σx? = 14.755, Σy = 224, and Σy? = 12.070.
(b) Use the results of part (a) to compute the sample
standard deviation for x, the percent of successful mallard nests.
(c) Use the results of part (a) to compute the sample mean, variance, and
standard deviation for y. the percent of successful Canada goose nests.
(d) Interpretation Use the results of parts (b) and (c) to compute the
coefficient of variation for successful mallard nests and Canada goose
nests. Write a brief explanation of the meaning of these numbers. What
do these results say about the nesting success rates for mallards
compared to those of Canada geese? Would you say one group of data is
more or less consistent than the other? Explain.
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