Pareto analysis in Tableau - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is Pareto analysis?

Pareto analysis is a technique to find the few important causes that create most of the problems or effects. It is based on the 80/20 rule, meaning 80% of results come from 20% of causes.

beginner

In Tableau, what chart type is commonly used for Pareto analysis?

A Pareto chart, which combines a bar chart showing individual values and a line chart showing the cumulative percentage, is commonly used for Pareto analysis in Tableau.

intermediate

How do you calculate the cumulative percentage for Pareto analysis in Tableau?

You calculate the cumulative sum of the measure sorted descending, then divide by the total sum to get the cumulative percentage. This is often done using table calculations like RUNNING_SUM and WINDOW_SUM.

beginner

Why is sorting important in Pareto analysis?

Sorting the data from largest to smallest helps identify the most significant factors first. This makes the 80/20 rule visible by showing which few items contribute most to the total.

beginner

What does the 80/20 rule mean in Pareto analysis?

It means roughly 80% of effects come from 20% of causes. For example, 80% of sales might come from 20% of customers.

What does a Pareto chart combine in Tableau?

A Bar chart and line chart

B Pie chart and scatter plot

C Histogram and box plot

D Area chart and heat map

A Pareto chart combines a bar chart showing individual values and a line chart showing cumulative percentage.

What is the main purpose of Pareto analysis?

A To calculate averages

B To create pie charts

C To find the few key causes that create most effects

D To sort data alphabetically

Pareto analysis helps identify the few important causes that create most of the effects.

Which Tableau function helps calculate running totals for Pareto analysis?

A RUNNING_SUM

B SUM

C AVG

D COUNT

RUNNING_SUM calculates cumulative totals needed for Pareto analysis.

Why do you sort data descending in Pareto analysis?

A To make data alphabetical

B To show biggest contributors first

C To hide small values

D To create pie charts

Sorting descending shows the biggest contributors first, making the 80/20 rule clear.

The 80/20 rule means:

A 20% of causes come from 80% of effects

B 80% of causes come from 20% of effects

C 20% of effects come from 80% of causes

D 80% of effects come from 20% of causes

The 80/20 rule states that 80% of effects come from 20% of causes.

Explain how to create a Pareto chart in Tableau step-by-step.

Think about sorting, running totals, and combining charts.

Describe the business value of using Pareto analysis.

Why does focusing on the vital few help businesses?