1. Apply the WEEKDAY function to the 100 years, treating Sundays as the first day of a week. Identify any repeated patterns you can recognize from the output of WEEKDAY function. Sample Output: 2. Plot a line chart with Year as the X-axis. 3. Identify all the patterns you can see from your line chart. 4. Based on this line chart of pattern, can you infer which day of the week did 12/25/1225 fall on? 5. Make a table of frequency for each day of the week on which Christmas fell on