Introduction:
The SSC CHSL Tier-II (Descriptive Paper) exam requires candidates to write an essay on a given topic. Including relevant data and statistics in your essay can definitely help you score high marks. Here's how:

1. Enhances credibility:
- Including relevant data and statistics in your essay adds credibility to your arguments.
- It shows that you have done thorough research and have a good understanding of the topic.
- Examiners appreciate candidates who back their statements with facts and figures.

2. Demonstrates knowledge:
- Including data and statistics in your essay demonstrates your knowledge and understanding of the subject matter.
- It shows that you have a grasp of the topic beyond just surface-level information.
- This can help you stand out from other candidates and impress the examiner.

3. Supports arguments:
- Data and statistics can be used to support your arguments and make them more persuasive.
- Instead of relying solely on opinions and personal anecdotes, you can use concrete evidence to back up your claims.
- This adds strength to your essay and makes it more convincing.

4. Shows analytical skills:
- Including data and statistics in your essay demonstrates your ability to analyze information and draw meaningful conclusions.
- It shows that you can process and interpret data to support your arguments.
- This is an important skill that examiners look for in candidates.

5. Provides context:
- Data and statistics provide context and help the reader understand the scope and significance of the topic.
- They can be used to provide background information, compare different perspectives, or highlight trends and patterns.
- This enriches your essay and makes it more informative.

Conclusion:
Including relevant data and statistics in your essay for the SSC CHSL Tier-II (Descriptive Paper) exam can definitely help you score high marks. It enhances credibility, demonstrates knowledge, supports arguments, shows analytical skills, and provides context. Remember to use reliable sources and cite your references properly.