Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): The questionnaire should be brief, simple, clear and precise.
Reason (R): Questionnaire needs to be able to collect data from the individuals without making it redundant and boring.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): Secondary data is taken from already available sources.
Reason (R): Government Publications are a very good source of secondary data.
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Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): A good questionnaire helps in the collection of Primary Data.
Reason (R): Primary Data is the first hand data collection.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): Census Investigation method is a very costly method.
Reason (R): Census method involves surveying a large number of people and so it requires a lot of labour and manpower.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): Statistical error is the difference between the observed and the true value.
Reason (R): Statistical error can be sampling error and non-sampling error.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): Sample Investigation method can be done very fast.
Reason (R): A very small sample is surveyed and used for investigation in the Sample Investigation Method.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): When inclusive series is given, it needs to be changed into exclusive series.
Reason (R): It is easy to calculate using exclusive series.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): 0-10, 10-20, 20-30, 30-40 is an example of Class Intervals.
Reason (R): Class Intervals are the value of items shown between two limits in a grouped frequency distribution.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): Data is classified in order to make them simple and brief.
Reason (R): It is easy to calculate the result with the help of classification of data in statistics.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): Ram made a table for all the expenditure he has incurred during a week to calculate the total amount spent by him.
Reason (R): Tables help in simplified calculation of the data in a systematic manner.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): A table needs to be attractive and simple.
Reason (R): Tables are prepared to make the statistics very lengthy.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): Tables are used to clarify the object of the investigation.
Reason (R): Tables are the systematic presentation of the data.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): Diagrammatic representation of data makes the data very simple and intelligible.
Reason (R): It helps in the proper analysis of the data and helps in the comparative study of the data.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): Pie Chart is represented as a percentage of the data given.
Reason (R): Pie Chart is constructed using that percentage itself.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): Bar graph is represented with the help of bars or rectangles.
Reason (R): Bar graphs can represent the data of single series and multiple series.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): Ogives can only be made with less than cumulative frequency distribution.
Reason (R): Ogive is a frequency distribution graph by plotting cumulative frequency distribution in a form of smooth curve.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): The Class Interval needs to be continuous while drawing a Histogram.
Reason (R): Histogram is a rectangular diagram using frequency distributions which are joined to one another.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): Frequency Polygon cannot be created without plotting a Histogram.
Reason (R): Frequency Polygon is made by joining the mid-points with straight lines.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): False Base line is that portion of the scale which lies between zero and the smallest value of the variable is omitted.
Reason (R): One important rule in drawing the graph is that the vertical axis must start from zero.
Directions : In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
Assertion (A): In graphical representation accuracy can be checked easily.
Reason (R): No mathematical knowledge is required for graphically representing the data.