upper middle class values

What are the values of lower quartile and upper quartile of a data set, if its least value is 171, middle quartile is 257 and the greatest value is 304? => 171, 304 or 171, 257 or 257, 304 or Cannot be determined..

Is the middle quartile value equal to the average of the lower quartile and the upper quartile? => Yes or No..

The position of the greatest value in a set of data is 11. What are the positions of the lower quartile, the middle quartile and the upper quartile? => 1, 3, 6 or 3, 6, 9 or 3, middle of 5 th and 6 th positions, 10 or Cannot be determined..

Boiling point of pure water at normal atmospheric pressure is regarded as the lower fixed point. ..

Find the average of the lower, the middle and the upper quartiles of the data. 15, 18, 23, 12, 10, 0, 6, 7, 22 and 12 => 12.333 or 9.333 or 15.333 or 16.633..

The general form of the trinomial is (x 2 + cx + d) where c and d have different numerical values: c = a + b, and d = ab. In these examples, study the relation between the middle and the last terms. Therefore, to factorise expressions of the type (x 2 + cx + d), we have to..

The readings of diastolic blood pressure of a group of volunteers for a medical experiment were normally distributed with a mean of 82 and a standard deviation of 8. If volunteers are to be selected from the middle 50% group, then find the upper and the lower readings, which qua..

How many data values are there in the data set if the 8 th data value is the middle quartile? => 16 or 14 or 17 or 15..

What is the ratio of the lower quartile to the middle quartile to the upper quartile for the data set? 2, 3, 9, 10, 11, 12, 15, 17, 6, 7, 8, 9, 17, 23, 24, 19, 22, 22 and 23 => 1 : 2 : 3 or 4 : 6 : 11 or 2 : 3 : 4 or 4 : 6 : 3..

What is the difference between the middle quartile and the least value in the box-and-whisker plot? => 50 or 10 or 40 or 80..