Mathematics Past Questions and Answers

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

Which of these is a measure of location

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

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

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