By how much is the mean of 30, 56, 31, 55, 43 and 44...
By how much is the mean of 30, 56, 31, 55, 43 and 44 less than the median?
0.75
0.50
0.33
0.17
Correct answer is C
Mean=30+56+31+55+43+446=2596=43.167Median=30,31,43,44,55,56=43+442=872=43.5Median−mean=43.5−43.17=0.33
In the diagram, angle QPR = 90o, angle PSR = 90o and PR = 5 units. Find the length of QS....
Find the area, to the nearest cm2, of the triangle whose sides are in the ratio 2 : 3 : 4 and w...
In the diagram, HK is parallel to QR, PH = 4cm and HQ = 3cm. What is the ratio of KR:PR? ...
Solve the following equation: 2(2r−1) - 53 = \(\frac{1}{(r + ...
The solution of the quadratic inequality (x3 + x - 12) ≥ 0 is...