Data Analytics using Tableau Quiz

What is data visualization?

• A method of organizing data in a spreadsheet

• A form of audio data

• A visual representation of data

• A type of computer virus

How can you represent data using charts and graphs?

• By using only text

• By creating a spreadsheet

• By writing a detailed report

• By selecting the appropriate type of chart or graph that best visualizes the data

What are the different types of data visualizations?

• Tables, text, numbers

• Bar graphs, scatter charts, line plots

• Bar charts, line graphs, pie charts, scatter plots, heat maps, etc.

• Histograms, box plots, area charts

Why is data visualization important in data analytics?

• Data visualization makes the data more confusing and difficult to understand.

• Data visualization helps in understanding complex data and identifying patterns or trends more easily.

• Data visualization only adds unnecessary complexity to the data.

• Data visualization is not important in data analytics.

Can you give an example of a data visualization?

• A line graph showing the population growth of a city over the past decade.

• A bar chart showing the sales performance of different products over the past year.

• A pie chart displaying the distribution of different types of cars in a parking lot.

• A scatter plot representing the correlation between temperature and ice cream sales.

What is filtering in data analytics?

• Creating a random sample of data

• Sorting data in alphabetical order

• Adding more data to the dataset

• Selecting a subset of data based on certain criteria or conditions

How can you filter data in Tableau?

• By asking someone else to do it

• By writing a letter to the data

• By using Microsoft Excel

• Using the Filter Shelf or creating a calculated field

What is the purpose of sorting data in Tableau?

• To make the data harder to interpret

• To make the data more confusing

• To organize and present the data in a more meaningful way for analysis

• To slow down the data analysis process

What are the different ways to sort data in Tableau?

• By clicking on the column header, using the sort option in the toolbar, or by creating a calculated field for custom sorting

• By shaking the Tableau workbook

• By using a filter on the data

• By changing the font size of the data

Why is filtering and sorting important in data analytics?

• Filtering and sorting only make the data more confusing

• Filtering and sorting are not important in data analytics

• Filtering and sorting are important in data analytics to organize and analyze data to identify patterns and trends.

• Data analytics does not require any organization or analysis