Diagrams and graphs are tools of
a. Collection of data.
b. Analysis.
c. Presentation.
d. Classification.
The maximum sales of the woollen clothes in time series is attached to the
a. Seasonal variation.
b. Cyclic variation.
c. Irregular variation.
d. None of the above.
When a population is infinite, the appropriate method is
a. Census method.
b. Sample method.
c. Both the census and sample method.
d. Neither census nor sample method.
Classification is the process of arranging data in
a. Columns.
b. Rows.
c. Columns and rows.
d. Ascending order.
Which one of the following is not a sources of secondary data
a. Personal contact.
b. Records.
c. Journal.
d. News paper.
The data collected by questionnaires are
a. Primary data.
b. Secondary data.
c. Published data.
d. Grouped data.
The sales of crackers in time series is associated with the
a. Irregular variation.
b. Cyclical variation.
c. Seasonal variation.
d. None of the above.
is not a component of time series.
a. Secular trend.
b. Seasonal variation.
c. Coefficient of variation.
d. Cyclic variation.
Graphs of time series are called_
a. Histograms.
b. Hitograms.
c. Pie charts.
d. Bar diagrams.
Classifying the data on time basis is known as
a. Geographical.
b. Chronological.
c. Serial.
d. Calendar.
