upper class versus 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..

It is a broad, roughly rectangular shaped structure. It hangs from the front edge of the head on the lower side. It covers the mouth and the mandible..

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

What are the values of the lower quartile and the upper quartile of a data set, if its least value is 171, middle quartile is 229 and the greatest value is 249? => 171, 249 or 171, 229 or 229, 249 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 table shows the number of immigrants to the U.S. from various countries during 1981- 1990. Find the sum of the lower, the middle and the upper quartiles of the data. => 830 or 1082 or 1081 or 1000..

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..