Although bats are not known for their eyesight, they are able to locate prey (mainly insects) by emitting high-pitched sounds and listening for echoes. A paper gave the following distances (in centimeters) at which a bat first detected a nearby insect.61 24 42 56 27 83 52 42 68 34 45 Calculate the sample mean distance at which the bat first detects an insect. (Round your answer to four decimal places.) cmCalculate the sample variance and standard deviation for this data set. (Round your answers to two decimal places.)Variance _____Standard deviation ____ Subtract 10 from each sample observation. For the new set of values, compute the mean. (Round your answer to four decimal places.) cmCalculate the sample variance and standard deviation for the new data set. (Round your answers to two decimal places.)Variance ________ Standard deviation _______

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Description: Although bats are not known for their eyesight, they are able to locate prey (mainly insects) by emitting high-pitched sounds and listening for echoes. A paper gave the following distances (in centimeters) at which a bat first detected a nearby insec

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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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Although bats are not known for their eyesight, they are able to locate prey (mainly insects) by emitting high-pitched sounds and listening for echoes. A paper gave the following distances (in centimeters) at which a bat first detected a nearby insect.

61 24 42 56 27 83 52 42 68 34 45

Calculate the sample mean distance at which the bat first detects an insect. (Round your answer to four decimal places.)

Calculate the sample variance and standard deviation for this data set. (Round your answers to two decimal places.)

Variance _____

Standard deviation ____

Subtract 10 from each sample observation. For the new set of values, compute the mean. (Round your answer to four decimal places.)

Calculate the sample variance and standard deviation for the new data set. (Round your answers to two decimal places.)

Variance ________

Standard deviation _______

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