Which of the following questions about comparing and ranking categories is best answered by a bar chart? Will the user be looking for a concentration of occurrences at particular values? Does the user need to understand how values are distributed? Does the user need to determine whether a change to one variable has an effect on another variable and what that effect is? Does the user need an approximation of the values and not a precise numeric value?

Which of the following questions about comparing and ranking categories is best answered by a bar chart? Will the user be looking for a concentration of occurrences at particular values? Does the user need to understand how values are distributed? Does the user need to determine whether a change to one variable has an effect on another variable and what that effect is? Does the user need an approximation of the values and not a precise numeric value?

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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