Introduction To Statistics And Data Analysis
6th Edition
ISBN: 9781337794503
Author: PECK
Publisher: Cengage
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Textbook Question
Chapter 4, Problem 65CR
For the data in the previous exercise, subtract 10 from each sample observation. For the new set of values, calculate the
4.64 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 appearing in Animal Behaviour (“The Echolocation of Flying Insects by Bats” [1960]: 141–154) gave the following distances (in centimeters) at which a bat first detected a nearby insect:
- a. Calculate the sample mean distance at which the bat first detects an insect.
- b. Calculate the sample variance and standard deviation for this data set. Interpret these values.
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Chapter 4 Solutions
Introduction To Statistics And Data Analysis
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