Researchers wanted to know if living in schools protects minnows from predators. The researchers placed different numbers of minnows into separate aquaria. Then, the researchers counted how many times per minute predatory fish approached the schools.Calculate the sample means, ?¯,x¯, and sample standard deviations, ?,s, for the number of times per minute a predator approached each school size. Round ?¯x¯ to one decimal place. Round ?s to two decimal places. Minnow school sizeTrial3510152010.90.70.40.40.120.80.80.50.50.130.70.90.60.30.241.10.60.80.20.351.01.00.70.60.3 x for school of 3:approaches perminutes for school of 3:approaches per minutex for school of 5:approaches per minutes for school of 5:approaches per minutex for school of 10:approaches per minutes for school of 10:approaches per minutex for school of 15:approaches per minutes for school of 15:approaches per minutex for school of 20:approaches per minutes for school of 20:approaches per minute

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Researchers wanted to know if living in schools protects minnows from predators. The researchers placed different numbers of minnows into separate aquaria. Then, the researchers counted how many times per minute predatory fish approached the schools.

Calculate the sample means, ?¯,x¯, and sample standard deviations, ?,s, for the number of times per minute a predator approached each school size. Round ?¯x¯ to one decimal place. Round ?s to two decimal places.