1. The problem states that the median and the third quartile (Q3) are incorrect. 2. The median is the middle value of a data set when it is ordered from least to greatest. 3. The third quartile (Q3) is the median of the upper half of the data set. 4. To find the median, arrange the data in order and find the middle number. 5. To find Q3, take the upper half of the data (above the median) and find its median. 6. If the data set has an odd number of values, the median is the middle value. 7. If the data set has an even number of values, the median is the average of the two middle values. 8. Similarly, Q3 is found by applying the median rule to the upper half of the data. 9. Check the calculations for median and Q3 carefully to correct any mistakes. 10. If you provide the data set, I can help calculate the correct median and Q3.