upper class and lower class

Recognize the false statement(s). I. The numbers used to separate the classes, so that there are no gaps in the frequency distribution are called class limits. II. Class width for a class is found by subtracting the lower class limit from ..

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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..

A data set consists of numbers from 5 to 35 with a common difference of 5. What is the product of the lower and the upper quartiles of the data? => 350 or 450 or 250 or 300..

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..

Ice floats on water because of its lower density when compared to liquid water. During winter, this floating block of ice prevents or delays the freezing of the underlying water. Thus, when the temperature falls below zero degree Celsius, the upper layer of water in most aquati..

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..

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..