If the arithmetic mean is multiplied to coefficient of variation then the resulting value is classified as
The measure of central tendency which represents over time multiplicative effects for inflation and compound interest is considered as
Data based on workers salary is as 2500, 2700, 2600, 2800, 2200, 2100, 2000, 2900, 3000, 2800, 2200, 2500, 2700, 2800, 2600 and number of classes desired is 10 then width of class interval is
If quartile range is 24 then quartile deviation is
In arithmetic mean, sum of deviations of all recorded observations must always be
Number of patients who visited cardiologists are as 63, 57, 51, 65 in four days then absolute mean deviation (approximately) is
If value of mode is 14 and value of arithmetic mean is 5 then value of median is
If value of first quartile is 49 and value of third quartile is 60 then value of inter quartile range is
Arithmetic mean is 25 and all sum of observations is 350 then number of observations are
Type of variable which can take fixed integer values is classified as
Variability which is defined as difference between third and first quartile is considered as
A timber beam of rectangular section 100 mm x 50 mm is simply supported at the ends, has a 30 mm x 10 mm steel strip securely fixed to the top surface as shown in the given figure.The centroid of the "Equivalent timber beam" in this case from the tope surface
Median in set 6, 4, 2, 3, 4, 5, 5, 4 would be
A numerical value used as a summary measure for a sample, such as sample mean, is known as a