统计英文题目回答，急急急A textile manufacturer obtained a sample of 50 b

统计英文题目回答，急急急
A textile manufacturer obtained a sample of 50 bolts of cloth from a day's output. Each bolt is carefully inspected and the number of imperfections is recorded as follows:
Number of imperfections 0 1 2 3
Number of bolts 35 10 3 2 2
Find the mean, median, and mode for these sample data.