average yearly data average yearly number with standard deviation average of an average set of number with reported standard error how to determine the average of a set of numbers with standard deviation averages of daily measurements with standard error calculate average of a set of figures with standard error how to calculate yearly average of a set of numbers with standard deviations how to find the average of daily numbers how to calculate standard deviation of a set of number calculate average of a set of numbers with standard error average yearly average with standard deviation how to calculate daily average with standard deviation how to find the average in a set of numbers calculate average of numbers with reported standard error how to calculate an average set of numbers how to calculate standard deviation how to determine average for a set of numbers with an average standard error how to estimate the average of a set of numbers? calculate yearly average when to use standard error instead of average