Question

Q1. Define the following terms:-
Variable,
Attributes,
Classifications,
Q2. What are the different types of series on the basis of general characters?
Q3. What are the 3 types of series on the basis of construction.
Q4. Define an array?
Q5. Distinguish between
(a) Discrete & continuous variable
Q6. Prepare frequency distributions taking class interval of 10 from the following data
by
a) inclusive and b)exclusive method
5,16,17, 17,20, 21, 22,22,22,25,25,26,26,30,31,31,34,35,42,48
Q7. The mid points of a frequency distribution of a group of teenagers are given below
75,84,93,102,111,120,129 Find
A width of the classes
B) the class limits
08. Give the steps of Construction:-
A] Discrete frequency distribution
B] Continuous frequency distribution.
Q9. Give the 7 principles of grouping data.​

Answer 1

Answer:

1. Variable = not consistent or having a fixed pattern liable to change.

Attribute = a quality or feature regarded as a characteristic or inherent part of someone or s

omething.

2. on the basis of general characterstics ,statistical series are of three kinds :

1. Time series .

2. Spatial series .

3. condition series .

9. The 7 principle of grouping data is :

1. proximity 2. similarity 3. closure 4. good form 5. further reading 6. good continuation 7. common fate