# dacode / dacode-data-sa-049 - 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`. Conduct a t-test to compare the average ratings of free and paid apps to determine if there is a significant difference. Use a significance level of 0.05. Based on the p-value, choose the appropriate conclusion between "Reject the null hypothesis: Free apps have a higher average rating than paid apps." and "Fail to reject the null hypothesis: No significant difference in ratings between free and paid apps." Provide your answer in the following format: """ { "T-Statistic": [...], "P-value": [...], "result": [...] } """ 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