Business Analytics

3rd Edition

ISBN: 9780135231715

Author: Evans

Publisher: PEARSON

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Correlation

Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

Linear Correlation

A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.

Regression Analysis

Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as p…

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Textbook Question

Chapter 3, Problem 17PE

For the Excel file Closing Stock Prices,

apply both column and line sparklines to visualize the trends in the prices for each of the four stocks in the file.
compute the daily change in the Dow Jones index and apply a win/loss sparkline to visualize the daily up or down movement in the index.

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Chapter 3, Problem 16PE

Chapter 3, Problem 18PE

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Chapter 3 Solutions

Business Analytics

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For the Excel file Closing Stock Prices, apply both column and line sparklines to visualize the trends in the prices for each of the four stocks in the file. compute the daily change in the Dow Jones index and apply a win/loss sparkline to visualize the daily up or down movement in the index.

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Chapter 3 Solutions