Answer to Question #88593 in Biology for Katia

Question #88593
Dr. Hernandez is a conservation biologist studying the impacts a derelict pharmaceutical company is having on a native fish population in a nearby lake. The lake has been contaminated with bovine growth hormone and Dr. Hernandez wants to see if the fish reaching adulthood in the contaminated lake are larger than the fish in a pristine lake that is nearby. Dr. Hernandez has the weights of 30 fish from the contaminated lake and of 30 fish from the pristine lake.
Based on the experimental design of Dr. Hernandez's research and the kind of data collected, which statistical test should be used to determine whether the bovine growth hormone is increasing the growth of native fish?
Two-tailed two-sample t-test


One-tailed two-sample t-test

One-tailed paired t-test

Two-tailed paired t-test

Linear Regression with t-test for significance of slope
Expert's answer
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