Is there a specific reason you doubt the estimate, or is your problem that the sample size is small? Small sample sizes don’t imply incorrect conclusions. EDIT

Is there a specific reason you doubt the estimate, or is your problem that the sample size is small? Small sample sizes don’t imply incorrect conclusions. EDIT: To whoever has downvoted this, I politely (but urgently) recommend you read up on statistical significance. The idea that a small sample size implies a study’s findings are unreliable is one of the most widely held misconceptions in modern statistics.