Post Utme University Of Lagos Mathematics Past Questions and Answers

Question 36:

Statistics is a set of tools whose proper use will _____________ the decision maker.

A. Completely fill the needs of
B. Encumber
C. Aid
D. Confuse
E. None of the above

Question 37:

Which of these is a measure of location

A. Mean
B. Standard deviation
C. Variance
D. All of the above
E. None of the above

Question 38:

A chord 6.6m long is 5.6m from the centre of a circle C. The radius of the circle is

A. 3.2m
B. 6.3m
C. 6.5m
D. 1.6m
E. 2.56m

Question 39:

The heights in cm, of 10 children are 145, 163, 159, 162, 167, 149, 150, 160, 170, and 155. The mean height of the children is

A. 156cm
B. 158cm
C. 160cm
D. 162cm
E. 159cm

Question 40:

The heights in cm, of 10 children are 145, 163, 159, 162, 167, 149, 150, 160, 170, and 155. The standard deviation of the heights of the children is

A. 5.5cm
B. 5.7cm
C. 6.5cm
D. 6.7cm
E. 7.7cm