I am trying evaluate the % of time spent by employees performing certian activities, across 2 years. The percentages sum up to 100. However for this year we decided to take out one of the activities.
Is it still fine to compare the percentages across 2 years? How do I control for the missing option this year?
e.g. Please indicate the approximate percentage of time spent doing following activity (it should total to 100%) -
This year we are excluding swimming.
Can I still compare these percentages?
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