Let's break down the grading for the proposed list of questions based on various criteria such as relevance, clarity, coverage of different facets of the process, and utility.

Here are the criteria with weights:

1. **Relevance (30%)**: How relevant is the question to understanding the key aspects of the process?
2. **Clarity (20%)**: Is the question clear and understandable?
3. **Coverage (30%)**: Does the question cover various facets of the process?
4. **Utility (20%)**: How useful is the question in providing actionable insights or information?

### Relevance (30%)

1. **Relevance**: Most questions focus on aspects like process variants, approvals, rejections, and performance, all of which are relevant.
   
Relevance Score: **9/10**.

### Clarity (20%)

2. **Clarity**: The majority of the questions are clear, with well-defined terms. Some, like question 7 (regarding reasons for rejection by the supervisor), are less clear.

Clarity Score: **8/10**.

### Coverage (30%)

3. **Coverage**: The questions cover various parts of the process, including submissions, approvals, rejections, and performance metrics.

Coverage Score: **9/10**.

### Utility (20%)

4. **Utility**: Questions provide insights on frequency, performance, comparisons, and variants, which can drive process improvement. Some questions, like those asking for frequency of specific actions, are less actionable.

Utility Score: **8/10**.

### Calculation:

Final Score = 0.3(Relevance) * 9 + 0.2(Clarity) * 8 + 0.3(Coverage) * 9 + 0.2(Utility) * 8
            = 2.7 + 1.6 + 2.7 + 1.6
            = 8.6

Given these criteria:

Grade: **8.6/10**

Good aspects of the answer:
- It thoroughly examines many angles of the process.
- The questions are varied and cover different stages and personas within the process.

Areas for improvement:
- Some questions could be more clearly defined to avoid ambiguity.
- Utility could be enhanced by focusing more on actionable insights rather than purely descriptive statistics.

Overall, the proposed questions provide a comprehensive and insightful look into the process described, with minor improvements needed on clarity and actionability of questions.