Statistical Too...

Which partition value divides the data into four equal parts contains approximately one-fourth of the total number of observations?

The most frequently occurring number in a set of values is called the:

The arithmetic mean between \(\frac{x+a}{x}\) and \(\frac{x-a}{x}\) when \(x \neq 0\):

___________ is the half distance between the third and first quartiles.

A measure of central tendency useful for a shoe manufacture for knowing what size of shoes must be produced most is:

If X, M, Z are denoting mean, median and mode of a data and X : M = 9 : 8, then find the ratio M : Z.

The marks scored by 25 students in the exam are as follows. Find the average using assumed mean method.

The mean of ten numbers is 58. If one of the numbers is 40, what is the mean of the other nine?

Which measure of central tendency includes the magnitude of scores?

The monthly income of the of six families is given as:

\(1600, 1500, 1400, 1525, 1625,  1630\)

What will be the value of mean family income?