This is the 14164th most frequent Russian word.
опроса
"Опроса" (genitive singular of "опрос") means "of the survey" or "of the poll" in English.
Here, 'опроса' is the genitive singular form of 'опрос' (survey), describing the source of the results.
Результаты опроса показали интересные тенденции.
The results of the survey showed interesting trends.
The word 'опроса' again acts as the singular genitive form, indicating that the completion is related to the survey.
Я провел анализ данных после завершения опроса.
I conducted data analysis after completing the survey.
In this sentence, 'опроса' denotes possession or association with the participants, identifying them as related to the survey itself.