यूल और केडॉल के अनुसार, एक आदर्श औसत में निम्नलिखित में से कौन सी विशेषताएं होनी चाहिए? A. यह आगे के बीजगणितीय उपचार के योग्य होना चाहिए। B. इसमें प्रतिदर्श स्थिरता (sampling stability) होनी चाहिए। C. यह डेटा के सभी प्रेक्षणों पर आधारित होना चाहिए। D. यह चरम मूल्यों (extreme values) से अत्यधिक प्रभावित नहीं होना चाहिए।

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: In Measures of Central Tendency, the mean is highly sensitive to extreme values, whereas the median remains uninfluenced by outliers. Reason R: The mean is the arithmetic average of a dataset, while the median simply represents the middle value in an ordered dataset. In the light of the above statements, choose the most appropriate answer from the options given below:

The number of patients treated in a dental office on Mondays was recorded for 11 weeks as follows: 5, 17, 28, 28, 28, 15, 13, 18, 10, 16, 20 What are the mean, median, and mode for this dataset?