Answered: The park service records the number of…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

The park service records the number of reported rattle snake sightings on Bald Mountain Trail and Camel Back Trail. The data gives rise to the following stacked bar graph.

Rattle Snake Sightings

1234567891011121314151617181920-1201620172018[Graphs generated by this script: initPicture(-0.5,6,-1,20);axes(10,1,1,10,1); fill='lightsteelblue'; rect([1,0],[2,3]); rect([2.5,0],[3.5,11]); rect([4,0],[5,6]); fill='gold'; rect([1,3],[2,8]); rect([2.5,11],[3.5,12]); rect([4,6],[5,9]); text([1.5,0],2016,'below');text([3,0],2017,'below');text([4.5,0],2018,'below'); fill='white' ;stroke='white';rect([-.5,-2],[.5,-.1]);]

	Bald Mountain Trail
	Camel Back Trail

Use the stacked bar graph to fill in the contingency table below.

Rattle Snake Sightings

	Year
Trail	2016	2017	2018	Total
Bald Mountain
Camel Back
Total

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