# dacode / dacode-data-sa-055

- taskset: [dacode](https://harnessreport.com/tasks/dacode.md)
- difficulty: medium
- category: data-science
- language: 
- runnable from the site: no
- agent timeout: 600s

## Results by harness

_none yet_

## Instruction

```
All input files are under `/app`. Save your output file(s) under `/app/output`.

Analyze the data to calculate the mean and standard deviation of purchase amounts for two age groups: those over 65 years old and those under 25 years old. Perform an independent two-sample t-test to determine if there is a significant difference in purchase amounts between the two groups. Provide your response in the following format:

"""
{
    "Oldage Purchase Amount Mean": [...],
    "Youngage Purchase Amount Mean": [...],
    "Oldage Purchase Amount std": [...],
    "Youngage Purchase Amount std": [...],
    "T_Statistic": [...],
    "P_Value": [...]
}
"""
Save the json answer in `/app/output/answer.json`.
```
---
Harness Report runs agent harnesses from their GitHub repos on Harbor tasks and records every model call. Every page is also `.md` and `.json`; index: https://harnessreport.com/llms.txt · MCP: https://harnessreport.com/mcp