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Statistics For Economists 1 Cat 1 Question Paper

Statistics For Economists 1 Cat 1 

Course:Bachelor Of Economics And Finance

Institution: Kenyatta University question papers

Exam Year:2012



KENYATTA UNIVERSITY
EES 201: STATISTICS FOR ECONOMISTS 1
CAT 1 TIME: 1 HOUR DATE: 13TH JUNE 2012
___________________________________________________________________________________________________

QUESTION 1
a) With an aid of a real example drawn from the the health sector in Kenya, distinguish between a population and a sample. (5 marks)

b)With the use of graphical tool, explain the various types of frequency distributions. (5 marks)

QUESTION 2
The following table gives the distribution of scores obtained by a previous class of Statistics.

Scores 20-29 30-39 40-49 50-59 60-69 70-79 80-89 90-99
Cumulative 20 50 90 140 172 188 196 200
Required:
a) How many students were in the Statistics class (2 marks)

b)Using the same axis, draw a histogram and a frequency polygon for the distribution. (8 marks)

QUESTION 3.
a) State the different types of averages used to describe economic issues.

b) Use the table in question 2 above to evaluate the average score for the previous Statistics class. (10 marks)




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