difference between upper class and lower class

To devise a scale of temperature, fixed reference points (temperature) are required, with respect to which all other temperatures are measured. For both Celsius and Fahrenheit Scales of temperatures, the fixed points are as follo..

The box-and-whisker plot shows the number of petals of each flower in a garden. What is the difference between the upper quartile and the lower quartile of the plot? => 80 or 100 or 50 or 90..

The number of games won by a famous basketball team each year from the year 1991 to the year 2000 are 20, 25, 20, 45, 35, 50, 35, 45, 30 and 35. Find the difference of the lower quartile and the upper quartile of the data set. => 25 or 20 or 15 or None of the above..

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

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..

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..

Remember : Atoms with variable valencies have their symbols same but are named differently. Example 1: Copper (Cu) has a variable valency of 1 and 2. It is shown as Cu + and Cu + + . Cu + is read as Cuprous and Cu + + is read as Cupric. Example 2: Ferrous (Fe + + ) and Ferric (Fe..

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 salaries (in hundreds of dollars) of the employees at a local company are 7, 4, 10, 18, 7, 3, 15, 34, 21, 30 and 18. What is the sum of the lower quartile and the upper quartile? => 14 or 7 or 28 or 21..

The salaries (in hundreds of dollars) of the employees at a local company are 12, 10, 17, 29, 12, 8, 21, 37, 32, 34 and 29. What is the sum of the lower quartile and the upper quartile? => 44 or 32 or 20 or 12..