Statistics Question Paper

Statistics

Course: Environmental Science (Science)

Institution: Kakamega Medical Training Centre question papers

Exam Year:2005

KENYA MEDICAL TRAINING COLLEGE
KAKAMEGA

ENVIRONMENTAL SCIENCES

STATISTICS
Q 1.The following figures show the aim circumferences(mm) of 40 children aged between 15-59 months in a health centre.
184,147,137,133,125,
116,98,138,171,143,
137,131,123,115,172,
140,163,143,135,136,
125,112,175,161,162,
141,134,128,121,99,
180,152,150,139,134,
127,119,131,96,141

(a) Construct a suitable frequency distribution table taking a class interval of 10
Use inclusive criteria and take the lower limit of the lowest class to be 95. (4 marks)
(b) Using the table you have made above,determine
i.)Mean (4 marks)
ii.)Median (4 marks)
iii.)Mode (4 marks)
iv.)Standard deviation
(4 marks)

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