德望學校 – S3數學 3A Chapter 6 Measures of Central Tendancy – CQ (14-19)

試卷答案:

1. a) a = 8 and b = 9
   b) median = 47
   c) new mean = 55.75
   d) 10
2. a) a = 44, b = 22
   b) mean = 1.62
   c) new mean = 1.58
3. a) 4
   b) mean = 3
   c) 3
4. a) 61 – 75 min
   b) mean = 54.2 min
5. a) $100
   b) median.  It is not affected by extreme value.
6. a) weight mean score of Pinky = 7.2
   b) k = 6
7. a) 31
   b) The claim is disagreed.
8. a) median of Thanos’s gems = 16.5 mm
       mode of Thanos’s gems = 27 mm
   b i) new median = 14 mm
     ii) a = 3

< 返回 德望學校 – 中三數學考試 試題庫 主頁 >