The data: 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 4, 4, 4, 21 The statistics for the data set above have been calculated to be:
• Mean 2.4 pets
• Q1:0.5 pets
• Median: 1 pet
• Q3: 2.5 pets

The recorder of the data made a mistake, and the last number (21) should be a 2. Rewrite the data set with the correction in order:​