Question 27 1 pts You are interested in the effects of the herbicide Roundup on

Question

Question 27 1 pts You are interested in the effects of the herbicide Roundup on the development and growth of amphibian embryos. To study this you collect several thousand western toad (Bufo boreas) embryos from random lakes in Washington state and expose them to different concentrations of Roundup in the laboratory to try to draw inferences about the effect of the chemical on toad embryos in nature. In this study all the western toad embryos in the world are the: O Population O Sample Parameter Statistic Variable Question 28 2 pts Which of the following would be most sensitive to outliers? O Interquartile range Median Mean O First quartile Mode

Explanation / Answer

Population

The population in statistics includes all members of a defined group here that group is from where the several thousands western toad are collected that is the embryos of all the western toad in the world.

Mean

The mean can be pulled (either increased or decreased ) because of the extreme values, say beacuse of an extremely small outliers the mean would decrease , vive versa it will increase because of a an extremely big outlier.

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