The spread or scatterness of observations in a data set is called

A cumulative frequency table is also called

The measures that are used to determine the degree or extent of variation in a data set are called measures of

The positive square root of mean of the squared deviations of X_i (i = 1, 2,............,n) observations from their arithmetic mean is called

The extent of variation between two extreme observations of a data set is measured by

The value obtained by reciprocating the mean of the reciprocal of x₁, x₂,x₃,............,x_n observations is called

A frequency polygon is a many sided

A histogram is a set of adjacent

A Deviation is defined as a difference of any value of the variable from a

A data in the form of frequency distribution is called

The mean of the squared deviations of x_i (i = l, 2,.....,n) observations from their arithmetic mean is called

Mean is affected by change in

Sum of the deviations of the variable X from its mean is always

The measure which determines the middlemost observation in a data set is called

A grouped frequency table is also called

Arithmetic mean is.a measure that determines a value of the variable under study by dividing the sum of all values of the variable by their

In a cumulative frequency polygon frequencies are plotted against

Mean of a variable with similar observations say constant k is

The observations that divide a data set into four equal parts are called

The n^th positive root of the product of the x₁, x₂,x₃,............,x_n observations is called

Mean is affected by change in

The most frequent occurring observation in a data set is called