| No. of chairs | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Frequency | 2 | 7 | 5 | 4 | 9 | 7 | 6 |
Find the median of the distribution
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| No. of chairs | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Frequency | 2 | 7 | 5 | 4 | 9 | 7 | 6 |
Find the median of the distribution
Find the mean of the distribution
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
Which of the following is not a measure of dispersion?
In a class of 80 students, every student had to study Economics or Geography or both Economics and Geography. lf 65 students studied Economics and 50 studied Geography, how many studied both subjects?
P = {2, 1,3, 9, 1/2}; Q = {1,21/2,3, 7} and R = {5, 4, 21/2}. Find P∩Q∩R
P={2, 1,3, 9, 1/2}; Q = {1,21/2,3, 7} and R = {5, 4, 21/2}. Find P∪Q∪R
In the diagram above, ATR is a tangent at the point T to the circle center O, if ∠TOB = 145°, find ∠TAO
Given that sin \(\theta\) = -0.9063, where O \(\leq\) \(\theta\) \(\leq\) 270°, find \(\theta\).
the graph above is a sketch of
The common ratio of a G.P. is 2. If the 5th term is
greater than the 1st term by 45, find the 5th term,
Find the coordinates of point B
The shaded portion shows the outer boundary
of the half plane defined by the inequality
In the diagram above, PXR and PYO are two semicircles with diameters 14cm and 7cm respectively. Find the perimeter of the region (take \(\pi\) = \(\frac{22}{7}\) )
In the diagram above, PXR and PYO are two semi-circles with diameters 14cm and 7cm respectively. Find the area of the enclosed region, PXROY correct to the nearest whole number