The scores of twenty students in a test are as follows: 4...
The scores of twenty students in a test are as follows: 44, 47, 48, 49, 50, 51, 52, 53, 53, 54, 58, 59, 60, 61, 63, 65, 67, 70, 73, 75. Find the third quartile.
62
63
64
65
Correct answer is C
Third quartile Q3 = 34Nth
Alternatively:
Split the score into equal quarters
44, 47, 48, 49, 50, 51, 52, 53, 53, 54, 58, 59, 60, 61, 63, 65, 67, 70, 73, 75.
Third quartile Q3 = [63 + 65] / 2 = 64
The radius of a geographical globe is 60cm. Find the length of the parallel of latitude 60oN...
P and Q are fixed points and X is a variable point which moves so that angle PXQ = 45o. What is...
What is the probability that an integer x (1≤x≤25) chosen at random is divisible by bo...
A box contains 2 white and 3 blue identical balls. If two balls are picked at random from the b...
The angle between the positive horizontal axis and a given line is 135°. Find the equation of th...
In the diagram O is the center of the circle, if ∠QRS = 62o, find the value of ∠SQR. ...
If the radius of the parallel of latitude 30°N is equal to the radius of the parallel of latitud...