Matric No. : _____________________
Programme : _____________________
Group No. : _____________________
Name of Lecturer : ___________________
CENTRE FOR FOUNDATION STUDIES
END-OF-SEMESTER EXAMINATION
DEPARTMENT OF SCIENCES PROGRAMMES
SUBJECT: STATISTICS CODE: MAT0144
DATE/ DAY: SAMPLE EXAM TIME: 3 HRS
DO NOT OPEN UNTIL YOU ARE TOLD TO DO SO
Approved by: For Examiner’s For External
use only Examiner’s
use only
SAMPLE EXAM
Question Marks Marks
number Total Obtained
1 7
2 9
3 7
ANY FORM OF CHEATING OR ATTEMPT TO
4 15
CHEAT IS A SERIOUS OFFENCE WHICH 5 9
MAY LEAD TO DISMISSAL. 6 10
7 10
This question booklet consists of 12 printed
pages including cover page and List of formula. 8 11
9 15
10 7
TOTAL 100
NAME: VENUE:
MATRIC NO: DATE/DAY:
PROGRAMME: SIGNATURE:
SEMESTER: SUBJECT CODE:
NAME OF LECTURER: SECTION NO:
, STATISTICS MAT0144
INSTRUCTIONS FOR CANDIDATES
The intended number of marks is given in [ ] at the end of each question.
Answer ALL questions in the answer booklet.
Show ALL workings in the answer booklet.
QUESTION 1 [7 marks]
The times, m seconds, taken by 11 teachers to solve a puzzle are listed below:
30 24 25 4 13 12 17 18 50 22 20
Draw a boxplot to represent the data.
QUESTION 2 [9 marks]
The height of 50 students are summarized in the table below:
Heights (cm) Number of
students
150-154 7
155-159 4
160-164 5
165-169 18
170-174 12
175-179 4
a) Calculate mean, mode and standard deviation of the height of the students.
b) Hence, find the Pearson’s Coefficient of skewness and comment on the shape of
the distribution.
QUESTION 3 [7 Marks]
(a) A shipment of 10 television sets contains 3 that are defective set. A hotel purchase
4 television sets from this shipment. In how many ways can a hotel receive at least
2 defective sets? [2]
(b) How many different arrangements are there using the letters in the word
CURRICULUM if
i) the arrangement begins with the letter U and ends with the letter L ? [2]
ii) all the letters U are separated from each other? [3]
2
Programme : _____________________
Group No. : _____________________
Name of Lecturer : ___________________
CENTRE FOR FOUNDATION STUDIES
END-OF-SEMESTER EXAMINATION
DEPARTMENT OF SCIENCES PROGRAMMES
SUBJECT: STATISTICS CODE: MAT0144
DATE/ DAY: SAMPLE EXAM TIME: 3 HRS
DO NOT OPEN UNTIL YOU ARE TOLD TO DO SO
Approved by: For Examiner’s For External
use only Examiner’s
use only
SAMPLE EXAM
Question Marks Marks
number Total Obtained
1 7
2 9
3 7
ANY FORM OF CHEATING OR ATTEMPT TO
4 15
CHEAT IS A SERIOUS OFFENCE WHICH 5 9
MAY LEAD TO DISMISSAL. 6 10
7 10
This question booklet consists of 12 printed
pages including cover page and List of formula. 8 11
9 15
10 7
TOTAL 100
NAME: VENUE:
MATRIC NO: DATE/DAY:
PROGRAMME: SIGNATURE:
SEMESTER: SUBJECT CODE:
NAME OF LECTURER: SECTION NO:
, STATISTICS MAT0144
INSTRUCTIONS FOR CANDIDATES
The intended number of marks is given in [ ] at the end of each question.
Answer ALL questions in the answer booklet.
Show ALL workings in the answer booklet.
QUESTION 1 [7 marks]
The times, m seconds, taken by 11 teachers to solve a puzzle are listed below:
30 24 25 4 13 12 17 18 50 22 20
Draw a boxplot to represent the data.
QUESTION 2 [9 marks]
The height of 50 students are summarized in the table below:
Heights (cm) Number of
students
150-154 7
155-159 4
160-164 5
165-169 18
170-174 12
175-179 4
a) Calculate mean, mode and standard deviation of the height of the students.
b) Hence, find the Pearson’s Coefficient of skewness and comment on the shape of
the distribution.
QUESTION 3 [7 Marks]
(a) A shipment of 10 television sets contains 3 that are defective set. A hotel purchase
4 television sets from this shipment. In how many ways can a hotel receive at least
2 defective sets? [2]
(b) How many different arrangements are there using the letters in the word
CURRICULUM if
i) the arrangement begins with the letter U and ends with the letter L ? [2]
ii) all the letters U are separated from each other? [3]
2
