- What is a tree diagram in probability?
- How do tree maps work?
- What is a treemap used for?
- What is heatmap chart?
- How do you create a treemap?
- What is the sample space in a tree diagram?
- What is the main visual element of a treemap called?
- What is the main purpose of using the treemap and Sunburst charts to display data select the best answer?
- When would you use a sunburst chart?
- What is the best representation to show duration over time?
- What is the difference between a tree map and heat map?
- Can be used to show all the possible outcomes in an event?
- When would you use a tree map?
- Why is HashMap faster than TreeMap?
- What are the 3 types of probability?
- Does TreeMap allow duplicate keys?

## What is a tree diagram in probability?

Tree diagrams are a way of showing combinations of two or more events.

Each branch is labelled at the end with its outcome and the probability is written alongside the line.

…

There are four possible outcomes.

To work out the probabilities of each combination, multiply the probabilities together..

## How do tree maps work?

Definition: Treemaps are visualizations for hierarchical data. They are made of a series of nested rectangles of sizes proportional to the corresponding data value. A large rectangle represents a branch of a data tree, and it is subdivided into smaller rectangles that represent the size of each node within that branch.

## What is a treemap used for?

Treemapping is a data visualization technique that is used to display hierarchical data using nested rectangles; the treemap chart is created based on this technique of data visualization. The treemap chart is used for representing hierarchical data in a tree-like structure.

## What is heatmap chart?

A heat map chart is a specialized chart that uses colors to represent data values in a table. You will find it most useful when you need to plot large and complex data.

## How do you create a treemap?

Create a treemap chartSelect your data.Go to the Insert tab > Insert Hierarchy Chart > Treemap. You can also use Recommended Charts to create a treemap chart by going to Insert > Recommended Charts > All Charts.

## What is the sample space in a tree diagram?

A tree diagram is a great way to organize the sample space of a problem. The sample space is the total number of possible outcomes.

## What is the main visual element of a treemap called?

The tree map displays data in nested rectangles. The dimensions define the structure of the tree map and measures define the size or color of the individual rectangle. The rectangles are easy to visualize as both the size and shade of the color of the rectangle reflect the value of the measure.

## What is the main purpose of using the treemap and Sunburst charts to display data select the best answer?

Treemap charts, also known as mosaic charts, and Sunburst charts were added to Excel to help you visualize hierarchical data. Hierarchical data is a way to organize data with multiple one-to-many relationships.

## When would you use a sunburst chart?

The sunburst chart is ideal for displaying hierarchical data. Each level of the hierarchy is represented by one ring or circle with the innermost circle as the top of the hierarchy. A sunburst chart without any hierarchical data (one level of categories), looks similar to a doughnut chart.

## What is the best representation to show duration over time?

Use a line chart or an area chart to show changes that are continuous over time. Line charts are the most effective chart for displaying time series data.

## What is the difference between a tree map and heat map?

Using a treemap, you can immediately show the “landscape” of performance with this visualization. This view is very similar to a heat map, but the nodes are gathered by like kind in the hierarchy of dimensions you have defined.

## Can be used to show all the possible outcomes in an event?

The event that contains all possible outcomes of an experiment is its sample space.

## When would you use a tree map?

Tree Maps are primarily used to display data that is grouped and nested in a hierarchical (or tree-based) structure. Example: There are approx 10-15 major categories of cause of death – Circulatory System Diseases, Cancers, Respiratory Diseases, External Causes of Mortality etc.

## Why is HashMap faster than TreeMap?

HashMap, being a hashtable-based implementation, internally uses an array-based data structure to organize its elements according to the hash function. HashMap provides expected constant-time performance O(1) for most operations like add(), remove() and contains(). Therefore, it’s significantly faster than a TreeMap.

## What are the 3 types of probability?

There are three major types of probabilities:Theoretical Probability.Experimental Probability.Axiomatic Probability.

## Does TreeMap allow duplicate keys?

A TreeMap cannot contain duplicate keys. TreeMap cannot contain the null key. However, It can have null values.