The mean of 30 observations recorded in an experiment is ...
The mean of 30 observations recorded in an experiment is 5. lf the observed largest value of 34 is deleted, find the mean of the remaining observations
5
4
3.9
3.4
3.0
Correct answer is B
x = 5, ∑fx∑f =
5= ∑fx30
∑fx = 5 x 30 = 150; 150 - 34 = 116
∑f = 29
∑fx = 116
= 11629 = 4
The angle of a sector of a circle radius 10.5 cm is 48o. Calculate the perimeter of the sector....
Mrs Gabriel is pregnant. The probability that she will give birth to a girl is 1/2 and with bl...
Find the value of x in the equation 3x2 - 8x - 3 = 0...
Find the two values of y which satisfy the simultaneous equation 3x + y = 8, x2 + xy = 6....
Consider the statements: p: Stephen is intelligent q: Stephen is good at Mathematics If p&r...
In the diagram, O is the centre of the circle of radius 18cm. If < zxy = 70o, calculate the ...