DIT107  MATHEMATICS FOR SCIENCE.

UNIVERSITY EXAMINATIONS: 2018/2018
EXAMINATION FOR THE DIPLOMA IN INFORMATION TECHNOLOGY
DIT107 MATHEMATICS FOR SCIENCE
DATE: NOV – DEC 2018 TIME: 2 HOURS
INSTRUCTIONS: Answer question ONE and Any other TWO questions.

QUESTION ONE

b) Solve the following simultaneous equations by elimination method
2? + ? — ? = 2
? − 2? + 3? = 9
5? + 3? — 2? = 7 [5 Marks]
c) For the Arithmetic progression:
3 + 7 + 11 + 15 + ··· + 99
Find;
i) The number of terms [3 Marks]
ii) The sum to the number 99

QUESTION TWO

QUESTION THREE

QUESTION FOUR
a) Distinguish amongst Non- frequency data, Ungrouped data and Grouped frequency data
[5 Marks]
b) For the following grouped frequency distribution data below

Find
i) The mean, (5 Marks)
ii)The mode and (5 Marks)
iii) The median (5 Marks)
Total [20 Marks]
QUESTION FIVE

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