how to calculate correlation what is correlation in statistics which of the following would indicate a statistical correlation between the proportion of dk answers? how do you find correlations on survey survey results how to test correlation how can i test progress in a survey what is correlation in statistics which statistic shows a correlation between the proportion of a question that reveals no information and the percent of a question that reveals no data? i don't know statistic can a statistic be used to measure the proportion of respondents who don't know the answer does fatigue affect dk how does a statistic relate to a survey what is the relationship between the i don't know answer and the proportion for dk how to correlate the proportion of dk responses what statistic will help me compare dk and proportion? what is correlation in statistics what would cause a higher correlation of dk to the proportion of i don't know responses does survey survey proportion increase with fatigue? can a statistic be used to show correlations what is the correlation of the answer