Organisation of Data - Online Test
Q1. Which of the following is false regarding discrete series
Answer : Option D
Explaination / Solution:
Discrete data is information that can be categorized into a classification. Discrete data is based on counts. Only a finite number of values is possible, and the values cannot be subdivided meaningfully.
Q2. Classification like male-female, healthy-unhealthy, educated-uneducated are example of
Answer : Option A
Explaination / Solution:
No Explaination.
Q3. How variable is differ from attributes
Answer : Option B
Explaination / Solution:
Attributes assigned to variables may have the same units as the variable or have no units . If you want to store data that requires units different from those of the associated variable, it is better to use a variable than an attribute.
Q4. Series in which data are presented in a way that exact measurement of items are clearly shown
Answer : Option A
Explaination / Solution:
No Explaination.
Q5. Series in which every class interval excludes items corresponding to its upper limits
Answer : Option B
Explaination / Solution:
When the class intervals are so fixed that the upper limit of one class is the lower limit of the next class; it is known as the exclusive method of classification. The exclusive method ensures continuity of data as much as the upper limit of one class is the lower limit of the next class.
Q6. the data related with population, sales of a firm, imports and exports of a country are always subjected to
Answer : Option D
Explaination / Solution:
In chronological classification the collected data are arranged according to the order of time expressed in years, months, weeks, etc., The data is generally classified in ascending order of time. For example, the data related with population, sales of a firm, imports and exports of a country are always subjected to chronological classification.
Q7. How exclusive series is differ from inclusive series
Answer : Option D
Explaination / Solution:
Under exclusive method class intervals are so fixed that upper limits of class is the lower limit of the next class.
Q8. When the collected data is grouped with reference to time, we have
Answer : Option A
Explaination / Solution:
When data are observed over a period of time the type of classification is known as chronological classification. In chronological classification the collected data are arranged according to the order of time expressed in years, months, weeks, etc., The data is generally classified in ascending order of time.
Q9. The data recorded according to standard of education like illiterate, primary, secondary, graduate, technical etc, will be known as _______ classification
Answer : Option C
Explaination / Solution:
Data collected about a categorical variable will always be qualitative. Qualitative data is a categorical measurement expressed not in terms of numbers, but rather by means of a natural language description. In statistics, it is often used interchangeably with "categorical" data.
Q10. In a manifold table we have data on _______
Answer : Option B
Explaination / Solution:
Manifold data table explains more than three characteristics of the data.
