Que. 1 : Q1) The Statistical errors arise due to many factors like inappropriate definition of the unit of measurements, bias of the investigator inherent instability of the collected data.These errors are known as ___________.

   1.  a) Errors of origin

   2.  b) Errors of inadequacy

   3.  c) Errors of manipulation

   4.  d) None of these

Que. 2 : Q2) In frequency distribution of statistical data, the frequencies are derived for each Class-Interval and in statistical investigation, the investigator is interested to know the ___________, up to a given point in Class-Intervals.

   1.  a) Collecting information

   2.  b) Cumulative frequencies

   3.  c) Dimensional diagrams

   4.  d) None of these

Que. 3 : Q3) Which are period in nature and involve oscillatory movements but they extend over a period of several years, and do not recur with any predictable regularity?

   1.  a) Secular Trend

   2.  b) Seasonal Variation

   3.  c) Irregular Variation

   4.  d) Cyclical variation

Que. 4 : Q4) Under which variables, the grouping of Variables in the Group of 2 or 3 can be done with totaling of the frequencies of the Group and in each of grouping, the Variables under the Group having highest frequencies will be underlined as a Modal Group?

   1.  a) Continuous series

   2.  b) Discrete Variables

   3.  c) Both a and b

   4.  d) None of these

Que. 5 : Q5) The cumulative frequency is projected in how many ways?

   1.  a) One

   2.  b) Two

   3.  c) Three

   4.  d) Four