Continuing with Chess Players Have Birthdays, I took the data from the year 2002, counted the number of players born in each month, corrected for the number of days in a month (January = 31.00; February = 28.25, etc.), and derived the following table.
For each month it shows the average number of players born on a day in that month. It appears that more chess players are born in the first half of the year than in the second half. How significant are these numbers statistically?