Tag Archives: graphical

Scatter Diagram Template

A scatter diagram is a graph that helps you visualize the relationship between two variables. It is used to check if changes in one variable are associated with changes in the other variable. For example, a scatter diagram can be plotted to check if there is a relationship between the number of months a person has been on the job and the time it takes him or her to complete his or her duties.

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Graphical Analysis


Graphical Analysis

Graphing the data can be utilized for both historical data already available and when analyzing the data resulting from live data collection activities. Of course, you need to pick the right graphical tool as there are a lot of different ways to plot your data. A number of commonly used graphical tools will be covered here. However, note that if one graph fails to reveal anything useful, try another one.

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Questionnaire Analysis Report

After collecting the answered questionnaires from your respondents, you have to analyze the data and report the results. This template is used to analyze the collected qualitative data from a large number of individuals and summarize the results in a report. It consists of two worksheets; one that enables you to enter the data of your respondents, and the other is the interpretation of your data in a scorecard format. Further statistical analysis, conclusions and recommendations can be added to the report as needed.

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Descriptive Statistics in Minitab

Descriptive Statistics

Minitab is a statistical software that allows you to enter your data to perform a wide range of statistical analyses on that data. It can be used to calculate many types of descriptive statistics including the ones discussed in the Descriptive Statistics article which can tell you a lot about your data in order to make more rational decisions. Descriptive statistics summaries in Minitab can be either quantitative or visual.   Read more »  


 

Scatter Diagram

Scatter Plot

Many situations require the investigating whether a relationship exists between two or more variables. A line manager, for example, may want to check the relationship between the number of training hours and employee productivity, or if the number of defects is a function of the experience of the person causing it. A call center manager may be interested in studying the relationship between the number of people working on a shift and the average answer time.

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Histograms and Box Plots

Histograms and Box Plots

Histograms and box plots are graphical representations for the frequency of numeric data values. They aim to describe the data and explore the central tendency and variability before using advanced statistical analysis techniques. In this article, we will further discuss the similarities and differences between these two tools.

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