A number or character which represents measurement is called—
A single datum is a single measurement from the—
In a tally mark grouping by four and crossing fifth is called—
(d) Inclusive Method
An Ogive is a method in which—
(d) Cumulative frequency is plotted
If both ends of a group are taken in frequency grouping, it is called—
(d) Statistical Method
Differentiate between data and information.
Data can be any character, words, text, pictures, video etc. and if not put into context means little or nothing to a human. However information is useful and usually formatted in a manner that allows it to be understood by a human.
What do you mean by data processing?
Data processing is, generally, the collection and manipulation of items of data to produce meaningful information. In this sense it can be considered a subset of information processing.
What is the advantage of footnote in a table?
Advantages of footnote—
What do you mean by primary sources of data?
Data collected directly from the field by counting a phenomena or interviewing people is called primary data. The main source of primary data is field investigation.
Enumerate five sources of secondary data.
Five sources of secondary data are—
Discuss the national and international agencies where from secondary data may be collected.
The secondary data are collected from national and international agencies. National agencies are—
What is the importance of an Index number? Taking an example examine the process of calculating an index number and show the changes?
An index number is a statisical measure designed to show changes in variable or a group of related variables with respect to time, geographic location or other characteristic. It is to be noted that index numbers not only measure changes over a period of time but also compare economic conditions of different locations, industries, cities or countries. Index number is widely used in economics and business to see changes in price and quantity. There are various methods for the calculation of index number. Simple aggregate method is most commonly used. It is obtained using the following formula.
Sq1 = Total of the current year production.
Sq0 = Total of the base year production