OCR MEI S1 2011 January — Question 1

Exam BoardOCR MEI
ModuleS1 (Statistics 1)
Year2011
SessionJanuary
TopicMeasures of Location and Spread
TypeSkewness identification and interpretation
1 The stem and leaf diagram shows the weights, rounded to the nearest 10 grams, of 25 female iguanas.
839
935666899
100223469
112478
12345
132
Key: 11 | 2 represents 1120 grams
  1. Find the mode and the median of the data.
  2. Identify the type of skewness of the distribution.
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