A ____________ covers only a few elements of the total population
Income
Data collection
Samples
Census
__________ is the root cause of all economic problems.
Scarcity
Distribution
Data
Which is NOT an economic activity ?
Production
Consumption
The ___________ is the middle element when the data set is arranged in order of the magnitude.
Mode
Mean
Median
Mean deviation
A ___________ is a useful technique for visually examining the form of relationship, without calculating any numerical value.
Scatter diagram
Correlation
__________ are usually used when there is paucity of time, money and man power resources and the information is easily available.
Primary data
Secondary data
Histogram
A graphic method, which estimates the dispersion from shape of a curve is called
Lorenz curve
___________ are the measure which divide the data in the four equal parts, each portion contains equal number of observations.
Quartiles
__________ shows how different values of a variable are distributed in different classes along with their corresponding class frequencies.
Frequency distribution
Raw data
Variable
___________ is the value which occurs most frequently.
Index number
